Medical Staff
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Marcus Weiser, DO
Medical Staff
Location: Onaga
Position: Physician
Medical Services: Birth Center, Diabetic Care, Emergency Department, Medical & Surgical Care, Men's Health, Women's Health, Youth Services, Family Medicine, Senior Care
See My BioCloseMarcus Weiser, DO
Dr. Marcus Weiser graduated from Bethany College with a bachelor’s degree in biology and from medical school at Kansas City University of Medicine and Biosciences. He completed his residency at Via Christi (St. Joseph and St. Francis) in Wichita and served as chief resident. Dr. Weiser is board-certified in family medicine. He is also trained to do obstetrics and performs EGDs (esophagogastroduodenoscopy), colonoscopies, and C-sections. He particularly enjoys teaching both third- and fourth-year medical students as a clinical assistant professor in the University of Kansas Medical Center Department of Family Medicine and as a clerkship preceptor for the Kansas City University of Medicine and Biosciences. Dr. Weiser enjoys caring for others in a variety of settings. “I love family medicine, and it is a privilege to serve others as a family medicine physician. I find the variety that rural family medicine offers both challenging and rewarding,” he says. Dr. Weiser was born and raised in northwest Kansas and lives in Onaga with his wife and five children. Outside of work, he enjoys spending time with his family, helping coach his kids’ sports teams, and, occasionally, golfing. -
David Allen, MD
Medical Staff
Location: Holton
Position: Physician
Medical Services: Diabetic Care, Youth Services, Men's Health, Women's Health, Emergency Department, Birth Center, Medical & Surgical Care, Family Medicine, Senior Care
See My BioCloseDavid Allen, MD
Dr. David Allen holds degrees from Kansas State University and the University of Kansas School of Medicine. He completed his residency at Via Christi Regional Medical Center in Wichita. His specialties are family medicine and obstetrics, including C-sections, GI procedures (upper and lower endoscopy), and pediatric services. -
Nancy J. Zidek, MD
Medical Staff
Locations: Frankfort, Onaga, Holton
Position: Physician
Medical Services: Birth Center, Diabetic Care, Emergency Department, Family Medicine, Men's Health, Women's Health, Youth Services, Senior Care
See My BioCloseNancy J. Zidek, MD
Dr. Nancy Zidek graduated from the University of Kansas with a bachelor of arts in microbiology and holds a degree from the University of Kansas School of Medicine. She completed her residency at Wesley Family Practice in Wichita, Kansas. She is particularly interested in women’s health and performs colposcopies and places birth control implants and intrauterine devices, or IUDs. Dr. Zidek is a lifelong Kansas resident and a second-generation doctor. Her father practiced for more than 40 years in Marysville, Kansas, and she knew from a young age that she wanted to join the same profession. She enjoys “being part of the family” and watching her young patients grow and mature into adults. Dr. Zidek is married and has two almost-grown kids. Her daughter, Bethany is married. She is a doctor and is in her Family Medicine Residency at Ascension Via Christi in Wichita, KS. Elijah is working in Kansas City. Dr. Zidek and her husband, Paul, enjoy being empty-nesters and are trying to travel more. They have two “spoiled mutts” and enjoy feeding hummingbirds in the summer, when they have up to 10 “hummers” who visit their feeders. -
Melissa Goulart, DO
Medical Staff
Location: St. Marys
Position: Physician
Medical Services: Diabetic Care, Men's Health, Women's Health, Youth Services, Family Medicine, Senior Care
See My BioCloseMelissa Goulart, DO
Dr. Melissa Goulart holds a bachelor of science degree in biology from Truman State University in Kirksville, Missouri. She attended medical school at Des Moines University in Iowa and completed her residency in Waterloo, Iowa. She is board-certified in family medicine. Dr. Goulart lives in St. Marys with her husband, five children, and a Yorkie named Jack. -
Nicholas Cahoj, MD
Medical Staff
Location: Westmoreland
Position: Physician
Medical Services: Diabetic Care, Family Medicine, Men's Health, Women's Health, Youth Services, Senior Care
See My BioCloseNicholas Cahoj, MD
Dr. Nicholas Cahoj graduated from Kansas State University and the University of Kansas School of Medicine. He completed his residency at Via Christi Family Medicine in Wichita. Dr. Cahoj grew up in Atwood, Kansas. He appreciates family practice. "I enjoy the relationships that I get to build with patients and their families. I also enjoy the broad array of conditions that I see and treat," he said. He performs esophagogastroduodenoscopies (EGDs) and colonoscopies. He enjoys teaching students and is a clinical assistant professor for the University of Kansas School of Medicine- Wichita. Dr. Cahoj and his wife, Alyssa, have three daughters who they enjoy helping in their sports and activities. He also likes watching sports, hunting/shooting, and playing golf. . -
Kendra Reith, MD
Medical Staff
Locations: Centralia, Corning, Onaga
Position: Physician
Medical Services: Birth Center, Diabetic Care, Emergency Department, Family Medicine, Men's Health, Women's Health, Youth Services, Senior Care
See My BioCloseKendra Reith, MD
Dr. Kendra Reith graduated from Kansas State University and the University of Kansas School of Medicine. She completed her residency at Smoky Hill Family Medicine in Salina, where she gained extensive hands-on experience in family practice along with obstetrical care. She also has completed training for Botox injections for treatment of chronic migraines and offers this service in the Onaga clinic. Dr. Reith is a native of Belleville, Kansas. She and her husband, Brent, live in Onaga with their young son. Outside of work, Dr. Reith enjoys spending time with family, traveling, shopping, arranging flowers, baking, and spending time with the family pets (a dog and two cats). -
Rebecca Simon, MD
Medical Staff
Location: Onaga
Position: Physician
Medical Service: Emergency Department
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John Meriwether, MD
Medical Staff
Location: Onaga
Position: Physician
Medical Service: Emergency Department
See My BioCloseJohn Meriwether, MD
Dr. Meriwether holds degrees from Kansas State University and McGill Faculty of Medicine in Montreal, Canada. He also completed his residency at McGill Faculty of Medicine. -
David Cancelada, MD
Medical Staff
Locations: Onaga, Holton, St. Marys
Position: Surgery
Medical Services: Medical & Surgical Care, Specialty Clinics
See My BioCloseDavid Cancelada, MD
Dr. David Cancelada attended the nation’s military medical school at the Uniformed Services University of the Health Sciences (USUHS) in Bethesda, Maryland. He completed his surgical training at Brooke Army Medical Center in San Antonio, Texas. He is board-certified in both general surgery and surgical critical care. He has 25 years of experience in the U.S. Army, which included assignments in numerous military medical facilities to include the U.S. Army Burn Unit, multiple deployments to Iraq as commander of a forward surgical team, as well as Honduras and Haiti in support of the 2010 earthquake disaster. Military decorations include the Bronze Star and the Legion of Merit. He and his family moved to Kansas in 2006 when he was transferred to Fort Riley, and since leaving the military in 2010, Dr. Cancelada has continued to serve the people of Kansas as a general surgeon. Dr. Cancelada’s professional memberships include Fellowship in the American College of Surgeons (FACS), the Eastern Association for the Surgery of Trauma (EAST), and the American Society of Metabolic and Bariatric Surgery (ASMBS). His interests include trauma/critical care, bariatric and anti-reflux surgery, cancer (breast, colon) surgery. Hospital memberships include Community HealthCare System and Stormont-Vail Medical Center (SVMC), where Dr. Cancelada is an active member of their Level 2 trauma service as well as Course Director for their Advance Trauma Life Support (ATLS) training program. Dr. Cancelada is also an assistant professor of surgery at USUHS and a preceptor for the Kansas State University Physician Assistant Program. -
Dagoberto Heredia, MD
Medical Staff
Location: Holton
Position: Psychiatry
Medical Services: Youth Services, Mental Health Services
See My BioCloseDagoberto Heredia, MD
Dr. Dagoberto Heredia received his undergraduate degree from the University of St. Thomas and attended medical school at the University of Monterrey in Mexico. He completed his residency in general adult psychiatry and child and adolescent psychiatry at the University of Texas Medical Branch in Galveston, Texas. He is a member of the Credentialing Board of Kansas Health Solutions. -
Bonnie McKinsey, APRN-C
Medical Staff
Location: Onaga
Position: Advanced Practitioner
Medical Service: Emergency Department
See My BioCloseBonnie McKinsey, APRN-C
Bonnie McKinsey, APRN, completed a bachelor of science in nursing degree at Washburn University and a master of science in nursing at Wichita State University. She as experience in a wide variety of healthcare settings, including the emergency department at Via Christi, the Riley County Health Department, and Lafene Student Health Center at Kansas State University. She has worked nights in the emergency department at Onaga since relocating here nearly six years ago. McKinsey is married to an Onaga native, and they made the decision to try small-town living at the time when their two youngest children were starting school and the oldest was off to college. They have found living, working, raising children, and enjoying life in a community where people truly care about their friends and neighbors to be a singularly wonderful experience. McKinsey feels blessed to have the opportunity to serve those in her community and neighboring communities alongside a remarkable healthcare team. McKinsey enjoys country outings with family and friends in our beautiful, bucolic setting. -
Nancy Bosse, APRN‐C
Medical Staff
Locations: Onaga, Westmoreland
Position: Advanced Practitioner
Medical Services: Diabetic Care, Youth Services, Men's Health, Women's Health, Emergency Department, Family Medicine, Senior Care
See My BioCloseNancy Bosse, APRN‐C
Nancy Bosse, APRN-C, holds a bachelor of science degree in nursing from Washburn University and a master of science in nursing-family nurse practitioner degree from the University of Missouri-Kansas City. Bosse worked in critical care, neurology, trauma, and general surgery for 20 years at Saint Luke’s Hospital in Kansas City. Her areas of clinical interest are women’s health, pediatrics, and geriatrics, and she loves family practice because it allows her to help patients while getting to know them and their entire family. Bosse says the most important thing patients can do is to “let us know if you are not getting better. Follow up so we can help you!” Bosse grew up in Onaga and now resides in Wamego with her husband and two children. When not at work, she enjoys attending kids’ activities, being outside, gardening, and helping at the farm. -
Julia Ingwerson, APRN‐C
Medical Staff
Location: St. Marys
Position: Advanced Practitioner
Medical Services: Diabetic Care, Family Medicine, Men's Health, Women's Health, Youth Services, Senior Care
See My BioCloseJulia Ingwerson, APRN‐C
Julia A. Ingwerson, APRN-C, holds a bachelor of science in nursing degree from Washburn University and a master of science in nursing from Wichita State University. She is certified by the American Nurses Credentialing Center as a family nurse practitioner. Ingwerson takes a special interest in foot care and orthopedics. Ingwerson enjoys seeing patients at all different ages and stages of life. She lives in St. Marys. When not at work, Ingwerson enjoys crocheting and spinning. -
Debra Rezac, APRN‐C
Medical Staff
Location: Onaga
Position: Advanced Practitioner
Medical Services: Diabetic Care, Emergency Department, Family Medicine, Men's Health, Women's Health, Youth Services, Senior Care
See My BioCloseDebra Rezac, APRN‐C
Debra Rezac, APRN-C, holds a Bachelor of Science in nursing from Washburn University and a Master of Science degree in nursing from University of Southern Indiana, graduating in the family nurse practitioner specialty. Rezac is certified by the American Academy of Nurse Practitioners. Before coming to Onaga, Rezac worked in an intensive care unit and pulmonary-critical care practice in Topeka. She has been with CHCS since 2007. She is certified in Advanced Cardiac Life Support, Pediatric Advanced Life Support, and Advanced Trauma Life Support. Areas of interest include women’s health, preventive care, general wellness, respiratory and cardiac care. Rezac’s practice includes patients of all ages, from infants to advanced age. “Working in rural health care certainly presents significant challenges, but it also provides unique rewards. There is something about being a part of people’s lives during the best and worst of times. You just don’t get to do that with most jobs,” she says. When not at work, she loves spending time with her family and close friends. She likes to travel with her husband, Lance, and spend time with her family. She lives on a farm south of Onaga and has three grown children. -
Andrew Barnes, APRN‐C
Medical Staff
Locations: Centralia, Onaga
Position: Advanced Practitioner
Medical Services: Diabetic Care, Men's Health, Women's Health, Youth Services, Emergency Department, Family Medicine, Senior Care
See My BioCloseAndrew Barnes, APRN‐C
Andrew Barnes, APRN, holds a bachelor of science in nursing from Baker University and a master of science in nursing from Washburn University. He is certified by the American Academy of Nurse Practitioners and is a board-certified emergency nurse. He takes a special interest in emergency medicine, trauma, and acute care. Barnes was drawn to medicine through his father’s encounters with healthcare providers who always amazed him. He lives in Wheaton with his wife and three children, and he enjoys being outdoors with his family. They enjoy caring for cattle as well as dogs and barn cats. -
Heather Myers, APRN‐C
Medical Staff
Location: Holton
Position: Advanced Practitioner
Medical Services: Diabetic Care, Family Medicine, Men's Health, Women's Health, Youth Services, Senior Care
See My BioCloseHeather Myers, APRN‐C
Heather Myers, APRN-C, holds a bachelor of science degree in nursing from Washburn University and a master of science in nursing from the University of Kansas as well as years of experience working in family practice. Myers worked a summer job while in high school at the “old” Onaga Clinic. “I remember admiring Betty Malone, RN, and decided to go to nursing school after graduating from Onaga High School,” she says. She enjoys working with people and helping all age groups with their health concerns, and she wants all patients to stay active and take time to take good care of themselves. Myers is married and has three children. Her oldest daughter is a Kansas State University graduate and lives in Wichita with her husband. Her second daughter is a graduate of the University of South Dakota, and her son is a senior in high school. When not at work, Heather enjoys reading, crocheting, and do-it-yourself household painting projects -
Kay Cummins, APRN‐C
Medical Staff
Locations: Frankfort, Centralia, Corning, Onaga, Holton, Westmoreland, St. Marys
Position: Advanced Practitioner
Medical Services: Emergency Department, Family Medicine
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Amy Jones, MSN, APRN-C, FNP
Medical Staff
Location: Centralia
Position: Advanced Practitioner
Medical Services: Diabetic Care, Emergency Department, Family Medicine, Men's Health, Women's Health, Youth Services
See My BioCloseAmy Jones, MSN, APRN-C, FNP
Amy Louise Jones, MSN, APRN-C, FNP studied pre-nursing at Kansas State University then completed a bachelor of science degree in nursing at Washburn University. After working as a registered nurse for 12 years, she obtained a master of science in nursing from Wichita State University. Jones is certified by the American Nurses Credentialing Center and enjoys working with patients of all ages, but she is particularly fond of the elderly. She loves to help solve dermatological problems, provide women’s healthcare for all ages, help manage diabetes and high blood pressure, provides acute and urgent care needs. . Jones says she has made many home visits to patients over the years. Jones was born in Kansas and started working as a certified nursing assistant, or CNA, at age 16 in a nursing home. She says she loves practicing medicine because it is “never boring and never a waste of time.” Jones has been married to her husband, Barry, for more than 30 years. They live on a farm near Frankfort, and they have three grown children and two grandchildren. Jones currently works as a substitute NP in all of the clinics. -
Michele Reisinger, DNP, APRN, FNP-BC
Medical Staff
Locations: Corning, Onaga
Position: Advanced Practitioner
Medical Services: Diabetic Care, Emergency Department, Family Medicine, Men's Health, Women's Health, Wound Care, Youth Services, Senior Care
See My BioCloseMichele Reisinger, DNP, APRN, FNP-BC
Michele Reisinger, DNP, APRN, and FNP-BC, is a rural Kansas native who has established a longstanding clinical practice of more than 25 years as a family nurse practitioner in her hometown of Onaga. She holds a bachelor of science degree in nursing from Washburn University and master of science in nursing plus doctor of nursing practice degrees from the University of Kansas. Reisinger serves on several local community and faith-based committees supporting her rural community. She is active in regional organizations including Big Lakes Developmental Center Quality Review Committee, Kansas Department of Health and Environment – Healthcare-Associated Infections & Antimicrobial Resistance Advisory Group, and numerous doctoral committees involving the education of nurse practitioners. Professional affiliations include American Nurses Association, Sigma Theta Tau nursing honorary, and Phi Kappa Phi academic honorary. In addition to her clinic practice, Reisinger is full-time graduate-level nursing faculty at Washburn University School of Nursing and the Primary Investigator on a Health Resources & Services Administration-funded grant focused on the education and preparation of rural nurse practitioners for practice in medically underserved communities. She is a prior fellow for the Kansas Council on Developmental Disabilities and was named a Rural Health Fellow by the National Rural Health Association. Reisinger’s clinical interests include preventive health/wellness, chronic disease management, and children with developmental exceptionalities. Michele has advanced training in wound, ostomy, and continence care and performs consultative services in these areas. She sees clients across the lifespan at CHCS clinics in Onaga and Corning. -
Nicole Huey, MSN, APRN, FNP-C
Medical Staff
Location: Holton
Position: Advanced Practitioner
Medical Services: Diabetic Care, Family Medicine, Men's Health, Women's Health, Youth Services, Senior Care
See My BioCloseNicole Huey, MSN, APRN, FNP-C
Nicole Huey, MSN, APRN, FNP-C, holds bachelor of science degrees in agricultural economics and French from Kansas State University and also studied agricultural economics and marketing at Ecole Superieure D’Agriculture de Purpan in Toulouse, France. “I was working in another field with people I enjoyed, but I wasn’t making a difference in their lives. I decided, with the support of my husband and family, to start over and follow my dream,” she says. Huey pursued a bachelor of science in nursing from Baker University and a master of science in nursing from the University of Southern Indiana in Evansville. She is certified by the American Association of Nurse Practitioners. Huey is particularly interested in cardiology, and she loves to take care of people. “I try to find ways to make patients’ lives better so they can live every day to the fullest,” she says. She wants patients to know that self-care matters. “Take time every day for yourself and your wellness. You only get one body, one lifetime, so make it count.” Huey is originally from Kansas City and lives in Topeka with her husband and two children. She has been a competitive gymnast and coach, and she and her husband met on the K-State Waterski team. They are still competitive water-skiers and enjoy traveling to competitions and water skiing, snow skiing, and participating in other sports as a family. Huey and family also have two Boston Terriers and one cat. -
Annie Crumbaker, PA‐C
Medical Staff
Location: Westmoreland
Position: Advanced Practitioner
Medical Services: Diabetic Care, Family Medicine, Men's Health, Women's Health, Youth Services, Senior Care
See My BioCloseAnnie Crumbaker, PA‐C
Annie J. Crumbaker, PA-C, grew up in the Lillis area and attended Frankfort schools. She obtained a bachelor of science in biology at Kansas State University and a master’s degree in physician assistant studies at the University of Colorado Denver. She then gained experience at the University of Kansas Hospital and Children’s Mercy Hospital before moving back to her hometown to work in family practice with CHCS. Crumbaker and her husband, Kyle, live near Lillis with daughters Peyton and Emmy and sons Evan and Connor. They enjoy raising cattle and spending time on their farm, as well as attending and participating in sporting events. They enjoy raising cattle and spending time on their farm, as well as attending and participating in sporting events. -
Jana Kramer, PA‐C
Medical Staff
Location: Holton
Position: Advanced Practitioner
Medical Services: Diabetic Care, Youth Services, Men's Health, Women's Health, Family Medicine, Senior Care
See My BioCloseJana Kramer, PA‐C
Jana Kramer, PA-C, was raised on a farm in northwest Kansas and moved to the Seneca area 20 years ago with her husband, Joe. She joined the staff at Community Hospital Onaga in 2001 and has enjoyed building relationships and taking care of patients at the many locations within Community HealthCare System. She received her bachelor of science degree from Kansas State University and completed her physician assistant degree at Wichita State University, where she graduated summa cum laude. She is board-certified by the National Commission on Certification of Physician Assistants and is a member of the American Academy of Physician Assistants and the Kansas Academy of Physician Assistant organizations. She maintains certifications in Advanced Cardiac Life Support and Pediatric Advanced Life Support. Working as a physician assistant in family medicine has been a rewarding experience for Kramer. She loves working with patients of all ages and helping them establish and meet wellness and healthcare goals. She aims to provide the best care to meet patients’ medical needs. Kramer enjoys spending time with family and friends, playing the piano, going to movies, and attending sporting events. She has also enjoyed teaching piano students, volunteering for the church and school, and being a wish granter for the Make-A-Wish Foundation. Jana and Joe have six children: Chase, Cole, Zachary, twins Cooper and Carter, and Kenly. -
Sheila Talley, PA‐C
Medical Staff
Location: Onaga
Position: Advanced Practitioner
Medical Service: Emergency Department
See My BioCloseSheila Talley, PA‐C
Sheila Talley, PA-C, holds a bachelor of arts degree in human biology from the University of Kansas and a master’s degree in physician assistant studies from Wichita State University. Talley is certified by the National Commission on Certification of Physician Assistants and is a member of the American Academy of Physician Assistants and the Kansas Academy of Physician Assistants. Her areas of clinical interest include hospital and emergency medicine. She also regularly assists in surgery. Talley is originally from the Seneca area in Nemaha County. She lives south of Corning with her husband, Ross, and four children. She enjoys attending Centralia school sporting events and KU basketball games. Talley also enjoys exercising and spending quality time with friends and family. -
Jeremy Jan Brandt, PA‐C
Medical Staff
Location: Frankfort
Position: Advanced Practitioner
Medical Services: Diabetic Care, Emergency Department, Family Medicine, Men's Health, Women's Health, Youth Services, Senior Care
See My BioCloseJeremy Jan Brandt, PA‐C
Jeremy Brandt, PA-C, studied at Kansas State University and then completed the physician assistant program at St. Louis University. He also holds a master’s degree in physician assistant studies through the University of Nebraska Omaha. In addition he is a licensed X-ray technologist, which enables the Frankfort Clinic, where he is the lead provider, to offer basic radiologic services. Brandt has served in the armed forces for more than 20 years and holds the rank of Lieutenant Colonel in the Kansas Air National Guard’s 190th Air Refueling Wing, Forbes Field, Topeka, KS where he continues to serve alongside some of the finest service men and women he has ever encountered. Prior to his Air Force service he served in the KS Army National Guard and states “I had the fortune to deploy to Iraq and serve with extraordinarily high-quality men and women in support of Operation Iraqi Freedom in 2004 with the 2-130 Field Artillery Battalion headquartered in Hiawatha, KS.” He recently served as co-clinical advisor for the Northeast Kansas Healthcare Coalition, which benefited from his emergency preparedness experience. Brandt loves family medicine and covering the emergency room. He grew up around healthcare and science; his mother was a nurse and long-term care administrator, and his father was a high school science teacher then came to Frankfort schools to serve as principal. He loves helping people and says he felt that “as a PA, I would be positioned to return to the communities that helped shape me and the values that I hold today.” He feels blessed and honored to care for friends and neighbors and humbled by their confidence and trust. Further, he feels blessed to be able to call CHCS his home. CHCS has been his primary employer for his entire career. Brandt lives in Frankfort with his wife, who is originally from Axtell, Kansas. They have four grown(-ish) children 😊 of whom he could not be more proud. The oldest is married to a wonderful young lady and together they have given them two of the cutest little grand-babies you’ve ever seen! Jeremy is dedicated to fitness and loves being outdoors. -
Marcy Evans, PA‐C
Medical Staff
Location: Onaga
Position: Advanced Practitioner
Medical Service: Emergency Department
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Claire Blumer, PA-C
Medical Staff
Location: Centralia
Position: Advanced Practitioner
Medical Services: Diabetic Care, Family Medicine, Men's Health, Women's Health, Youth Services, Senior Care
See My BioCloseClaire Blumer, PA-C
Claire Blumer, PA-C, grew up in Hanover, Kansas, where she attended Hanover High School. She obtained a bachelor of science degree in life sciences at Kansas State University and completed her education at Wichita State University with a master of physician assistant degree. She gained experience working at K+STAT Urgent Care in Manhattan prior to joining CHCS. Blumer is eager to provide comprehensive, holistic healthcare and to help her patients learn more about preventative healthcare. Her special interests include women's health, men's health, acute care, family medicine, and youth services. Blumer lives in Marysville with her husband, Dave, and their daughter, Sophia. She enjoys spending time with family and friends, running, reading, and watching or attending sporting events. -
Taylor Havenstein, APRN-C
Medical Staff
Location: Onaga
Position: Advanced Practitioner
Medical Service: Family Medicine
See My BioCloseTaylor Havenstein, APRN-C
Taylor Havenstein, APRN-C, holds a bachelor of science in nursing from Kansas Wesleyan, where she also played collegiate softball and basketball for two years and served as the nursing junior/senior class president. She obtained a master of science in nursing from Walden University in Minneapolis, Minnesota. Havenstein is certified in by both the American Association of Nurse Practitioners and the American Nurses Credentialing Center. Women’s health and pediatrics are her special areas of interest, and she has worked in Emergency Room and Pre-op/Post-Anesthesia Care Unit environments. Havenstein enjoys building patient- and family-centered relationships and strives to give patients the time and attention they deserve to discuss health needs and to fully understand their goals and wishes. “I look forward to working in family practice because I love caring for people and families of all ages, watching them grow, and helping improve their overall health and well-being,” she said. When not at work, Havenstein enjoys being outdoors, going for long walks, and spending time with her family. She lives just north of Wamego in a country setting with her husband, three children, and their Weimaraner named Milo. -
Gary McKnight, AuD
Medical Staff
Location: Holton
Position: Specialty Clinic Provider
Medical Services: Audiology, Specialty Clinics
See My BioCloseGary McKnight, AuD
Dr. Gary McKnight graduated from the University of Kansas Medical Center and completed doctoral studies in audiology at the University of Florida. He has taught at the University of Kansas Medical Center. Known throughout the region as “The Dizzy Doctor,” Gary has specialized in dizziness and balance disorders for nearly two decades. -
Kenneth Hobbs, DPM
Medical Staff
Locations: Holton, Onaga
Position: Specialty Clinic Provider
Medical Services: Podiatry, Specialty Clinics
See My BioCloseKenneth Hobbs, DPM
Dr. Hobbs received his medical degree from the University of Wisconsin. He completed his residency at the Illinois College of Podiatric Medicine. -
Timothy Gateley, DPM
Medical Staff
Location: Onaga
Position: Specialty Clinic Provider
Medical Services: Podiatry, Medical & Surgical Care, Specialty Clinics
See My BioCloseTimothy Gateley, DPM
Timothy B. Gateley, D.P.M., is a licensed podiatrist in Topeka, Kansas who has been practicing Podiatric Medicine for over 15 years. He is a residency-trained foot surgeon offering both surgical and conservative treatments. Dr. Gateley attended the University of Oklahoma, where he received his Bachelor of Science degree in zoology in 1999. He then attended the Dr. William M. Scholl College of Podiatric Medicine in Chicago, Illinois, where he received his Doctor of Podiatric Medicine in 2003. Dr. Gateley completed a two-year surgical residency at the Leavenworth VA Medical Center, where he was the chief resident. -
Hemant Boolani, MD
Medical Staff
Location: St. Marys
Position: Specialty Clinic Provider
Medical Services: Cardiac Care, Specialty Clinics
See My BioCloseHemant Boolani, MD
Dr. Hemant Boolani, a physician with St. Francis Heart and Vascular Center, is a fellow of the American Board of Internal Medicine. He is board certified in cardiovascular disease and internal medicine. Dr. Boolani received his medical degree from N.H.L. Municipal Medical College, Gujarat, India. He completed his residency at Howard University College of Medicine, Washington, D.C. Dr. Boolani also completed a cardiology fellowship at the University of Kansas School of Medicine. -
Michael McCoy, MD
Medical Staff
Location: Holton
Position: Specialty Clinic Provider
Medical Service: Orthopedics
See My BioCloseMichael McCoy, MD
Dr. McCoy graduated from the University of Kansas in 1972. His medical degree was earned from the Kansas University Medical School in 1975. Dr. McCoy completed both his internship and residency at the Mayo Graduate School of Medicine and completed a fellowship at the Orthopedic and Fracture Clinic with a specialty in Sports Medicine/Knees. Dr. McCoy is certified by the American Board of Orthopaedic Surgery and is affiliated with the American Orthopaedic Society for Sports Medicine, the Kansas Medical Society/Shawnee County Medicine Society and the Irish-American Orthopaedic Society. -
Tyler Grindal, MD
Medical Staff
Locations: Onaga, St. Marys
Position: Specialty Clinic Provider
Medical Services: Ear, Nose & Throat, Medical & Surgical Care, Specialty Clinics
See My BioCloseTyler Grindal, MD
Dr. Grindal's clinical interests are adult and pediatric earn, nose and throat and head and neck surgery. He holds a bachelor's degree in biology from Kansas State University and attended medical school at the University of Kansas. He completed his residency at the University of Florida department of otolaryngology. -
Gilbert Katz, MD
Medical Staff
Location: Holton
Position: Specialty Clinic Provider
Medical Service: Cardiac Care
See My BioCloseGilbert Katz, MD
Dr. Gilbert Katz is a fellow of the American College of Cardiology. Dr. Katz is board certified in Cardiology and Nuclear Cardiology. He completed a surgical internship at Harvard University-New England Deaconness Hospital and a medical residency and cardiology fellowship at Tufts University-St. Elizabeth’s Hospital in Boston. Dr. Katz enjoys all aspects of cardiology including angioplasty, pacemakers, nuclear cardiology, echocardiography and treatment of heart failure and arrhythmias. -
Todd Trobough, MD
Medical Staff
Location: Holton
Position: Specialty Clinic Provider
Medical Service: Women's Health
See My BioCloseTodd Trobough, MD
Dr. Todd Trobough is board certified by the American Board of Obstetrics & Gynecology. Following completion of a bachelor of arts degree in biology at UCLA, he attended the Creighton University School of Medicine, and completed his residency at the University of Missouri - Kansas City. He is currently a Fellow of the American Congress of Obstetricians and Gynecologists and a Clinical Assistant Professor at Kansas University Medical Center. He has served as Medical Staff President, and as Chairman of the Department of OB/GYN at Stormont-Vail Regional Medical Center. He is Past President of the Shawnee County Medical Society and Past Chairman of both the Credentials and the OB/GYN Quality Improvement Committees at Stormont-Vail. -
Patrick Birkbeck, MD
Medical Staff
Location: Holton
Position: Specialty Clinic Provider
Medical Service: Cardiac Care
See My BioClosePatrick Birkbeck, MD
Dr. Patrick Birkbeck attended the University of Kansas School of Medicine and completed an Internal Medicine Residency and Cardiology Fellowship there. He is board certified in internal medicine, cardiovascular disease, and nuclear cardiology. His clinical interests are clinical cardiology, echocardiography, nuclear medicine, and transesophageal echocardiography. -
Chen Chow, MD
Medical Staff
Location: Onaga
Position: Specialty Clinic Provider
Medical Services: Cardiac Care, Specialty Clinics
See My BioCloseChen Chow, MD
Dr. Chow has clinical interests in heart failure and echocardiography and works with the Cotton-O'Neil Heart Center. He attended medical school at Dalhousie University, Faculty of Medicine in Halifax, Nova Scotia, Canada, and completed his residency at the Cleveland Clinic in Cleveland, Ohio. He also completed a fellowship at the University Hospitals Case Medical Center in Cleveland. -
Thomas Doyle, MD
Medical Staff
Location: St. Marys
Position: Specialty Clinic Provider
Medical Services: Cardiac Care, Specialty Clinics
See My BioCloseThomas Doyle, MD
Dr. Doyle attended medical school at Creighton University in Omaha, Nebraska, and completed his residency and a fellowship in internal medicine and cardiology at Texas A&M and Baylor Scott & White Memorial Hospital in Temple, Texas. -
John Joliff, MD
Medical Staff
Location: Onaga
Position: Specialty Clinic Provider
Medical Services: Cardiac Care, Specialty Clinics
See My BioCloseJohn Joliff, MD
Dr. Joliff is a visiting cardiologist from St. Francis Heart and Vascular Center. He attended medical school at the University of Illinois and completed his residency at the University of Illinois College of Medicine. Dr. Joliff is a fellow of the American College of Cardiology. He is board certified in internal medicine, cardiovascular disease, interventional cardiology, and nuclear cardiology. -
Alfredo Iloreta, MD
Medical Staff
Location: Onaga
Position: Specialty Clinic Provider
Medical Service: Medical & Surgical Care
See My BioCloseAlfredo Iloreta, MD
Dr. Iloreta graduated from the University of St. Thomas College of Medicine and Surgery. -
Heidi Smith, DO
Medical Staff
Location: Onaga
Position: Specialty Clinic Provider
Medical Services: Medical & Surgical Care, Orthopedics
See My BioCloseHeidi Smith, DO
Dr. Smith provides care for a wide variety of general orthopedic complaints and injuries of patients of all ages and functional status. She completed medical school at the Kansas City University of Medicine and Biosciences, plus a five-year residency at Samaritan Health Services in Corvallis, Oregon, and a year-long fellowship in sports medicine at the University of New Mexico. Her area of specialty is orthopedic surgery, and her special interest is sports medicine. She practices with Orthopaedic and Sports Medicine Center in Manhattan, Kansas. -
Brian Beard, MD
Medical Staff
Location: Holton
Position: Specialty Clinic Provider
Medical Services: Cardiac Care, Specialty Clinics
See My BioCloseBrian Beard, MD
Dr. Beard is a cardiologist with the University of Kansas Health System and Vascular Center, and he visits our Holton Family Health Center location. Dr. Beard and his colleagues offer general cardiology to diagnose and treat heart disease, including congenital heart defects, coronary artery disease, and heart failure. The group offers testing services and medical management and works to meet patients’ individual needs by personalizing treatments that fit their lifestyles. Dr. Beard graduated from the University of Iowa College of Medicine and completed his residency and training in cardiology at Wright-Patterson Air Force Base in Ohio. -
Amy Meusborn, APRN
Medical Staff
Location: Onaga
Position: Specialty Clinic Provider
Medical Service: Specialty Clinics
See My BioCloseAmy Meusborn, APRN
Amy Meusborn is an Advanced Practice Registered Nurse with Associated Urologists in Manhattan. Amy is board-certified by the American Nurses Credentialing Center and completed a bachelor of science in nursing at Baker University School of Nursing. She then received a master of science in nursing from the University of Pennsylvania. -
Patricio Alzamora, MD
Medical Staff
Location: Onaga
Position: Specialty Clinic Provider
Medical Services: Cardiac Care, Specialty Clinics
See My BioClosePatricio Alzamora, MD
Dr. Patricio Alzamora, a physician with The University of Kansas Health System Heart and Vascular Center in Topeka, specializes in cardiovascular disease. He received his medical degree from Universidad Peruana Cayetano Heredia School of Medicine in Peru. -
David Harden, MD
Medical Staff
Location: Onaga
Position: Specialty Clinic Provider
Medical Service: Specialty Clinics
See My BioCloseDavid Harden, MD
Dr. David Harden is a dermatologist with and owner of Manhattan Dermatology. He received an undergraduate degree in biochemistry from Wichita State University and a medical degree from the University of Kansas Medical Center. -
Deepti Vellaichamy Manian, MD
Medical Staff
Location: Holton
Position: Specialty Clinic Provider
Medical Service: Specialty Clinics
See My BioCloseDeepti Vellaichamy Manian, MD
Dr. Deeti Vellaichamy Manian is a physician with Stormont Vail Health Cotton O'Neil Allergy and Immunology in Topeka. She is certified by the American Board of Allergy and Immunology and the American Board of Pediatrics. Dr. Manian received her medical degree from Kanyakumari Government Medical College in Nagercoil, India, then completed her residency at SUNY Health Science Center at Brooklyn in Brooklyn, New York, and a fellowship at Mayo Clinic College of Medicine & Science. -
Nilay V. Patel, MD
Medical Staff
Location: Onaga
Position: Specialty Clinic Provider
Medical Services: Cardiac Care, Specialty Clinics
See My BioCloseNilay V. Patel, MD
Dr. Nilay V. Patel is a cardiologist with the Stormont Vail Cotton O'Neil Heart Center in Topeka. He is certified by the American Board of Internal Medicine and received his medical degree from B.J. Medical College in Ahmedabad, India. He completed his residency at St. Peter's University Hospital/Rutgers Robert Wood Johnson Medical School in New Jersey as well as a fellowship at the University of Kansas Medical Center. -
Adrian Caracioni, MD
Medical Staff
Location: Onaga
Position: Specialty Clinic Provider
Medical Service: Specialty Clinics
See My BioCloseAdrian Caracioni, MD
Dr. Adrian Caracioni is an oncologist from The University of Kansas Cancer Center at St. Francis Campus. He has practiced for more than 25 years and treats patients with blood disorders such as anemia or hemophilia as well as blood cancers and other cancers in patients age 16 and over. Dr. Caracioni is certified by the American Board of Internal Medicine and graduated from the Victor Babes University of Medicine and Pharmacy Timisoara in Romania. -
Apostolos Evangelidis, MD
Medical Staff
Location: Onaga
Position: Specialty Clinic Provider
Medical Service: Specialty Clinics
See My BioCloseApostolos Evangelidis, MD
Dr. Apostolos "Laki" Evangelidis is a board-certified urologist with Associated Urologists in Manhattan. He specializes in both adult and pediatric urology as well as robotic and laparoscopic (minimally invasive) surgery. He received his medical degree from the University of Kansas School of Medicine and completed an internship at the University of Missouri School of Medicine. Dr. Evangelidis completed his residency at the University of Kansas Medical Center. -
Rebecca Kramer, CRNA
Medical Staff
Locations: Onaga, Holton, St. Marys
Position: Anesthesia
Medical Service: Medical & Surgical Care
See My BioCloseRebecca Kramer, CRNA
Rebecca Kramer is a member of the American Association of Nurse Anesthetists and the Kansas Association of Nurse Anesthetists. She holds an undergraduate degree from Wichita State University and a master's degree from Texas Wesleyan University in Fort Worth, Texas. -
Scott McCormick, CRNA
Medical Staff
Locations: Onaga, Holton, St. Marys
Position: Anesthesia
Medical Service: Medical & Surgical Care
See My BioCloseScott McCormick, CRNA
Scott McCormick is a member of the American Association of Nurse Anesthetists and the Kansas Association of Nurse Anesthetists. He is a registered nurse anesthetist. He graduated from Kansas Newman College in Wichita. -
Sam Jeffers, CRNA
Medical Staff
Locations: Onaga, Holton, St. Marys
Position: Anesthesia
Medical Service: Medical & Surgical Care
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Rick Abbott, CRNA
Medical Staff
Locations: Onaga, Holton, St. Marys
Position: Anesthesia
Medical Service: Medical & Surgical Care
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Merica Surdez, APRN‐C
Executive Team, Medical Staff
Location: Onaga
Position: Chief of Provider and Clinic Operations
Medical Services: Diabetic Care, Men's Health, Women's Health, Youth Services, Emergency Department, Family Medicine, Senior Care
See My BioCloseMerica Surdez, APRN‐C
Merica Surdez, APRN-C, holds a bachelor of science in nursing from the University of Kansas Medical Center and a master of science in nursing-family nurse practitioner degree from Fort Hays State University. She maintains board certification with the American Academy of Nurse Practitioners and is also certified in Advanced Cardiac Life Support, Pediatric Advanced Life Support, Advanced Trauma Life Support, and Neonatal Resuscitation. Surdez’s areas of clinical interest include women’s health, including contraception counseling; reproductive health; prenatal care; lactation support; and preventive care. Surdez enjoys helping others when they need it most, creating relationships, and watching families grow. When asked for advice to share with patients, she says, “We all take our health for granted. Sometimes it takes work to better yourself. Do it! You’ll never regret investing in your health.” Surdez was born and raised in Frankfort, Kansas, and lives there with her husband, Derek, plus their two sons, Bowen and Blake, and their daughter, Wren. Surdez does not like chocolate but does enjoy spending time with family and friends, creating memories with her children, playing volleyball, and membership in the Teams of Our Lady (TOOL) church group. Executive Team
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Todd Willert
Executive Team
Location: Onaga
Position: Chief Executive Officer
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Lorraine Meyer
Executive Team
Location: Onaga
Position: Chief Operating Officer
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Monica Holthaus
Executive Team
Location: Onaga
Position: Chief Financial Officer
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Merica Surdez, APRN‐C
Executive Team, Medical Staff
Location: Onaga
Position: Chief of Provider and Clinic Operations
Medical Services: Diabetic Care, Men's Health, Women's Health, Youth Services, Emergency Department, Family Medicine, Senior Care
See My BioCloseMerica Surdez, APRN‐C
Merica Surdez, APRN-C, holds a bachelor of science in nursing from the University of Kansas Medical Center and a master of science in nursing-family nurse practitioner degree from Fort Hays State University. She maintains board certification with the American Academy of Nurse Practitioners and is also certified in Advanced Cardiac Life Support, Pediatric Advanced Life Support, Advanced Trauma Life Support, and Neonatal Resuscitation. Surdez’s areas of clinical interest include women’s health, including contraception counseling; reproductive health; prenatal care; lactation support; and preventive care. Surdez enjoys helping others when they need it most, creating relationships, and watching families grow. When asked for advice to share with patients, she says, “We all take our health for granted. Sometimes it takes work to better yourself. Do it! You’ll never regret investing in your health.” Surdez was born and raised in Frankfort, Kansas, and lives there with her husband, Derek, plus their two sons, Bowen and Blake, and their daughter, Wren. Surdez does not like chocolate but does enjoy spending time with family and friends, creating memories with her children, playing volleyball, and membership in the Teams of Our Lady (TOOL) church group. -
Mindy Olberding
Executive Team
Location: Onaga
Position: Chief Nursing Officer
Board of Directors/Officers
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Justin Boswell
Board of Directors/Officers
Location: Onaga
Positions: Board Member, Chairman
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Karen Harder
Board of Directors/Officers
Location: Onaga
Positions: Board Member, Vice Chairman
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Tim Kite
Board of Directors/Officers
Location: Onaga
Positions: Board Member, Secretary
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Melissa Wegner
Board of Directors/Officers
Location: Onaga
Positions: Board Member, Treasurer
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Tracy Ahlquist
Board of Directors/Officers
Location: Onaga
Position: Board Member
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Alan Fischer
Board of Directors/Officers
Location: Onaga
Position: Board Member
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Robert Ladner
Board of Directors/Officers
Location: Onaga
Position: Board Member
Directors and Key Personnel
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Andrea Lutz
Directors and Key Personnel
Location: Onaga
Position: Ancillary Services
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Michael Bomberger
Directors and Key Personnel
Location: St. Marys
Position: Business Development and Special Projects
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Lura Flentie
Directors and Key Personnel
Locations: Centralia, Onaga, St. Marys
Position: Senior Services
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Eric Bjelland
Directors and Key Personnel
Location: Holton
Position: Support Services
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Cindy Flentie
Directors and Key Personnel
Location: Onaga
Position: Human Resources
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Dominic Freeman
Directors and Key Personnel
Location: Onaga
Position: Information Technology