Medical Staff
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Thomas E. Walsh, MD
Medical Staff
Locations: Centralia, Corning, Onaga
Position: Physician
Medical Services: Diabetic Care, Emergency Department, Family Practice, Men's Health, Women's Health, Youth Services
See My BioCloseThomas E. Walsh, MD
Dr. Tom Walsh holds an undergraduate degree from Notre Dame University and a medical degree from the University of Kansas. He completed his residency at St. Luke’s Hospital in Kansas City, Missouri. His clinical interest is family medicine. “I’m the definition of boring,” Dr. Walsh says, because he has had the same wife, Marcia, and the same job for more than 44 years. “I have been very blessed,” he says. Dr. Walsh and Marcia have three children, two daughters-in-law, a son-in-law, and eight grandchildren. Dr. Walsh grew up in a healthcare family. His father was a physician, and he and his brother used to accompany their father on house calls two or three nights a week. “I knew what I was getting into,” Dr. Walsh says. Dr. Walsh loves getting to know patients as people rather than just as medical conditions. “My patients are neighbors, friends, colleagues, and co-workers,” he says. He also enjoys following Notre Dame sports – including fencing, hockey, basketball, and football – and attending the activities of his nine grandchildren. -
Marcus Weiser, DO
Medical Staff
Location: Onaga
Position: Physician
Medical Services: Childbirth, Medical & Surgical Care, Diabetic Care, Youth Services, Men's Health, Women's Health, Senior Care, Emergency Department, Family Practice
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. He also likes basketball, hunting, fishing, shooting, and grilling or smoking meats. -
David Allen, MD
Medical Staff
Location: Holton
Position: Physician
Medical Services: Childbirth, Medical & Surgical Care, Diabetic Care, Youth Services, Men's Health, Women's Health, Senior Care, Emergency Department, Family Practice
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: Childbirth, Diabetic Care, Men's Health, Senior Care, Women's Health, Youth Services, Emergency Department, Family Practice
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 and in medical school, and her son, Elijah, attends Kansas State University. Dr. Zidek and her husband live in Onaga and have two “spoiled mutts.” They also feed hummingbirds in the summer and have up to 10 “hummers” who visit their feeders. -
Melissa Goulart, DO
Medical Staff
Location: St. Marys
Position: Physician
Medical Services: Diabetic Care, Family Practice, Men's Health, Senior Care, Women's Health, Youth Services
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, Youth Services, Men's Health, Women's Health, Senior Care, Family Practice
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. Dr. Cahoj and his wife, Alyssa, have three daughters who they enjoy helping in their sports and activities. He also likes golf, hunting, and shooting. His favorite sport is football, and he has a chocolate lab named Dirk. -
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), and thyroid 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. -
Dagoberto Heredia, MD
Medical Staff
Location: Holton
Position: Psychiatry
Medical Services: Mental Health Services, Youth 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. -
Matthew Ridder, APRN
Medical Staff
Locations: Onaga, St. Marys
Position: Advanced Practitioner
Medical Services: Diabetic Care, Emergency Department, Family Practice, Men's Health, Women's Health, Youth Services
See My BioCloseMatthew Ridder, APRN
Matthew Ridder, APRN, holds a master of science degree in nursing from Wichita State University. His chief areas of clinical interest are family medicine and emergency room care. Ridder comes from a family of nurses and healthcare providers. His mother and her four sisters are nurses, and he has a brother and a sister who are also nurses. “Medicine is a profession that allows me to continually learn and grow,” Ridder says. He loves getting to know his patients and serving the community of St. Marys. He wants patients to know that the best way to take care of your family is to take care of yourself by eating healthy foods, getting enough sleep, exercising regularly, and avoiding drugs and alcohol. He also recommends managing stress and getting regular medical checkups. Ridder traveled extensively as a civilian and with the military--he retired as a Navy Captain in June 2019, served as an ICU nurse in the Army, and served in the Army Reserve for 10 years--but his roots are in Kansas. He lives in Augusta with his two teenage sons and one daughter and enjoys spending time with them. -
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 three 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 rural 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, Senior Care, Emergency Department, Family Practice
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 Practice, Men's Health, Senior Care, Women's Health, Youth Services
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, where she was also born and raised. When not at work, Ingwerson enjoys crocheting and spinning. -
Debra Rezac, APRN‐C
Medical Staff
Location: Onaga
Position: Advanced Practitioner
Medical Services: Diabetic Care, Men's Health, Senior Care, Women's Health, Youth Services, Emergency Department, Family Practice
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 in nursing-family nurse practitioner degree from the University of Southern Indiana. Rezac is certified by the American Academy of Nurse Practitioners. Before coming to Onaga, Rezac worked for 20 years in an intensive care unit and in a pulmonary-critical care practice in Topeka. She is interested in all aspects of preventive/wellness care as well as in pulmonary care (including chronic obstructive pulmonary disease, or COPD; asthma; and sleep apnea). Rezac also cares for patients who are experiencing strokes and helped develop the acute stroke program here at Community HealthCare System. Rezac loves caring for people throughout the lifespan and helping people stay healthy and live better-quality lives. “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. She encourages everyone to get an annual wellness exam. “They are not painful and can be very helpful in identifying or preventing potential health issues, plus it’s an excellent opportunity to discuss patients’ concerns,” Rezac says. Rezac was born in Green Bay, Wisconsin and is a big Packers fan. When not at work, she loves spending time with her family and close friends. She likes to travel with her husband, Lance, and go snow skiing and hiking in Montana. She lives 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, Senior Care, Emergency Department, Family Practice
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, Youth Services, Men's Health, Women's Health, Senior Care, Family Practice
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. 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. When not at work, she 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 Practice
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Amy Jones, MSN, APRN-C, FNP
Medical Staff
Location: Centralia
Position: Advanced Practitioner
Medical Services: Diabetic Care, Youth Services, Men's Health, Women's Health, Emergency Department, Family Practice
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, and provide foot care. 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. When not at work, Jones enjoys her “farm wife duties,” cooking, playing with her grandchildren, and taking long country walks with her Airedale Terrier, Archie. -
Michele Reisinger, DNP, APRN, FNP-BC
Medical Staff
Locations: Corning, Onaga
Position: Advanced Practitioner
Medical Services: Diabetic Care, Men's Health, Women's Health, Wound Care, Youth Services, Senior Care, Emergency Department, Family Practice
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 20 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 Practice, Men's Health, Senior Care, Women's Health, Youth Services
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, one Rhodesian Ridgeback, and one cat. -
Annie Crumbaker, PA‐C
Medical Staff
Location: Westmoreland
Position: Advanced Practitioner
Medical Services: Diabetic Care, Youth Services, Men's Health, Women's Health, Senior Care, Family Practice
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 their daughter, Peyton, and sons Evan and Connor. They have a chocolate lab named Ace. They enjoy raising cattle and spending time on their farm. -
Jana Kramer, PA‐C
Medical Staff
Location: Holton
Position: Advanced Practitioner
Medical Services: Diabetic Care, Youth Services, Men's Health, Women's Health, Senior Care, Family Practice
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 emergency room and acute care. 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, Youth Services, Men's Health, Women's Health, Senior Care, Emergency Department, Family Practice
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 and 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 continues to serve as a Lieutenant Colonel in the Kansas Air National Guard 190th Air Refueling Wing, Forbes Field, Topeka, KS. “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,” Jeremy says. He also serves as co-clinical advisor for the Northeast Kansas Healthcare Coalition, which benefits 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. Brandt lives in Frankfort with his wife, who is originally from Axtell, Kansas. They have four children ranging from teens to adult. The oldest is married to a wonderful young lady. He is dedicated to fitness and is “a bit of a handyman.” He and his family have three large dogs, a cat, and “numerous other animals from time to time.” -
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, Men's Health, Senior Care, Women's Health, Youth Services, Family Practice
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. -
Leah Buthorne, APRN
Medical Staff
Location: Holton
Position: Specialty Clinic Provider
Medical Service: Specialty Clinics
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Tiffany Engelken, APRN‐C
Medical Staff
Location: Onaga
Position: Specialty Clinic Provider
Medical Service: Specialty Clinics
See My BioCloseTiffany Engelken, APRN‐C
Tiffany Engleken is board-certified by the American Academy of Nurse Practitioners and is a visiting provider from the Kansas Medical Clinic - Dermatology. She received her undergraduate education from Mennonite College of Nursing at Illinois State University and a master's degree from Wichita State University. She is a member of the Dermatology Nursing Association-NP Society. -
Gary McKnight, AuD
Medical Staff
Location: Holton
Position: Specialty Clinic Provider
Medical Services: Specialty Clinics, Audiology
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., has been practicing podiatry with Kansas Foot Care since 2008. Dr. Gateley moved to Topeka and Kansas Foot Care from Kansas City, where he had been practicing since 2005. 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: Specialty Clinics, Cardiology
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. -
John Devine, MD
Medical Staff
Location: Onaga
Position: Specialty Clinic Provider
Medical Services: Medical & Surgical Care, Specialty Clinics
See My BioCloseJohn Devine, MD
Dr. Devine received his medical degree from the University of Kansas School of Medicine. He completed an internship at St. Lukes Hospital, Kansas City, Missouri, and his residency at University of Kansas School of Medicine, Kansas City, Kansas. Dr. Devine is a fellow of the American Board of Urology. -
Michael McCoy, MD
Medical Staff
Location: Holton
Position: Specialty Clinic Provider
Medical Service: Specialty Clinics
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. -
Shawn Magee, MD
Medical Staff
Location: Holton
Position: Specialty Clinic Provider
Medical Service: Specialty Clinics
See My BioCloseShawn Magee, MD
Dr. Magee specializes in pulmonology, critical care, and sleep medicine. -
Gilbert Katz, MD
Medical Staff
Location: Holton
Position: Specialty Clinic Provider
Medical Service: Cardiology
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. Dr. Trobough serves on the Board of Directors for the St. Francis PHO, on the Credentials and the Operational Maternal/Child Committees at Stormont-Vail, and is President of Lincoln Center OB/GYN, PA. -
Patrick Birkbeck, MD
Medical Staff
Location: Holton
Position: Specialty Clinic Provider
Medical Service: Cardiology
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: Cardiology, 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: Specialty Clinics, Cardiology
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: Specialty Clinics, Cardiology
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. -
Sushmita Veloor
Medical Staff
Location: Holton
Position: Specialty Clinic Provider
Medical Service: Specialty Clinics
See My BioCloseSushmita Veloor
Dr. Veloor attended medical school at Rangaraya Medical College, N.T.R. University of Health Services, Kakinada, India. She completed her residency at Barnes Jewish Hospital, St. Louis, Missouri. -
Brian Beard, MD
Medical Staff
Location: Holton
Position: Specialty Clinic Provider
Medical Services: Cardiology, Specialty Clinics
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Regina Gronewoller, LCMSW
Medical Staff
Locations: Onaga, St. Marys
Position: Counseling
Medical Services: Mental Health Services, Youth Services
See My BioCloseRegina Gronewoller, LCMSW
Regina Gronewoller is a Licensed Specialist Clinical Social Worker. She received her undergraduate degree in psychology from Fort Hays State University and her master's degree in social work from the University of Kansas. She is a member of the National Association of Social Workers and received the University of Kansas MARGO Award for Excellence in Field Education. -
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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Merica Surdez, APRN‐C
Executive Team, Medical Staff
Location: Onaga
Position: Chief of Provider and Clinic Operations
Medical Services: Diabetic Care, Men's Health, Senior Care, Women's Health, Youth Services, Emergency Department, Family Practice
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.