Open Until 5:00 PM
Hours
Friday:
8:00 AM to 5:00 PM
Saturday:
8:30 AM to 11:30 AM
Sunday:
Closed
Monday:
8:00 AM to 5:00 PM
Tuesday:
8:00 AM to 5:00 PM
Wednesday:
8:00 AM to 5:00 PM
Thursday:
8:00 AM to 5:00 PM
Services
Family Practice
Events
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, Senior Care, Family Medicine
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. -
Nancy J. Zidek, MD
Medical Staff
Locations: Frankfort, Onaga, Holton
Position: Physician
Medical Services: Birth Center, Diabetic Care, Emergency Department, Men's Health, Women's Health, Youth Services, Senior Care, Family Medicine
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. -
Kendra Reith, MD
Medical Staff
Locations: Centralia, Onaga
Position: Physician
Medical Services: Birth Center, Diabetic Care, Emergency Department, Men's Health, Senior Care, Women's Health, Youth Services, Family Medicine
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. -
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, Senior Care, Family Medicine
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. -
Debra Rezac, APRN‐C
Medical Staff
Location: Onaga
Position: Advanced Practitioner
Medical Services: Diabetic Care, Emergency Department, Men's Health, Women's Health, Youth Services, Senior Care, Family Medicine
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, Senior Care, Family Medicine
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. -
Michele Reisinger, DNP, APRN, FNP-BC
Medical Staff
Locations: Corning, Onaga
Position: Advanced Practitioner
Medical Services: Diabetic Care, Emergency Department, Men's Health, Senior Care, Women's Health, Wound Care, Youth Services, Family Medicine
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. -
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. -
Marcy Evans, PA‐C
Medical Staff
Location: Onaga
Position: Advanced Practitioner
Medical Service: Emergency Department
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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. -
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. -
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. -
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. -
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. -
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. -
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, Senior Care, Family Medicine
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. -
Cassandra (Cassie) Gaddis, LSCSW, CST, CTF-CBT, LIMPH-NE, LMSW-NE
Medical Staff
Locations: Onaga, St. Marys
Position: Licensed Master Social Worker
Medical Services: Youth Services, Mental Health Services
See My BioCloseCassandra (Cassie) Gaddis, LSCSW, CST, CTF-CBT, LIMPH-NE, LMSW-NE
Cassandra (Cassie) Gaddis has extensive experience in the social work field including child welfare, implementation and supervision of clinical services, and medical social work. She earned both her Bachelor’s and Master's degrees in Social Work (MSW) from Washburn University. She has also achieved the highest level of social work licensure in Kansas; a licensed specialist clinical social worker (LSCSW) certification. A nationally certified Trauma Focused Cognitive Behavioral Therapist (TFCBT), she has experience serving children, adults, and families. Gaddis is also a certified sex therapist (CST) with specialized training and experience treating children and adolescents who demonstrate unsafe sexual behaviors or boundaries, treating survivors of sexual assault or other unhealthy sexual dynamics, couples struggling with intimacy in their relationships and other sexual health and mental health related concerns. Gaddis has 3 children as well as 3 dogs and 3 cats. She states she is a home body and could spend hours in her sewing room piecing together a quilt. She also enjoys camping, gardening, canning and food preservation, and anything that makes her feel more grounded and in touch with nature. -
Amy Jones, LSCSW
Medical Staff
Locations: Onaga, St. Marys
Position: Licensed Master Social Worker
Medical Service: Mental Health Services
See My BioCloseAmy Jones, LSCSW
Jones earned both her Bachelor’s and Master’s in Social Work from Aurora University and also has specialized training and certification in Autism. A member of the Neurodivergent community, Jones is very passionate about providing care to this population which also includes Autism Spectrum Disorder. Passionate about working with families, parents, and couples, Jones says, “I never get tired of learning new things from the individuals and families I encounter. I am consistently amazed by the human thread that weaves us all together. I enjoy watching the growth in individuals and their connections with the world around them.” She tells her patients to enjoy the small successes because it takes many of those to get to the bigger picture. Jones currently lives in Springfield, Ohio. Though she lives in an urban area, Jones has extensive background professionally working with rural and at-risk communities so she was naturally drawn to Kansas. She says she goes where there is need. She says she has already learned quite a bit from the Kansas natives such as…. The Chiefs won the Super Bowl last year! In her free time, Jones loves to watch documentaries and is fascinated by what she learns. She and her teenage daughter have a dog named Luna, 3 outdoor cats, and a frog named Frederick. 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, Senior Care, Family Medicine
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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Lura Flentie
Directors and Key Personnel
Locations: Centralia, Onaga, St. Marys
Position: Senior 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
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Pamela Holaday
Directors and Key Personnel
Location: Onaga
Position: Communications
Phone: (785) 889-5133