Location(s): Centralia, Corning, Frankfort, Holton, Onaga, St. Marys, Westmoreland
Whole Health for the Whole Family
Same-Day Appointments Available
Every person is unique – each at a different stage of life, with different health needs. The primary care providers at our Family Medicine clinics—located throughout Northeast Kansas—share a commitment to a lifetime of health and well-being for all ages and walks of life. Together, we provide a full range of primary care services across seven convenient locations with same-day appointments.
Complete Primary Care for All Ages
Our family practice physicians, physician assistants and nurse practitioners provide a full spectrum of primary care services to patients of all ages:
Acute Illness Care
Chronic Disease Management
Treatment for Cold and Flu
OB/Newborn Care
Behavioral Health Services
Well-Child Care
Wellness Exams, Male/Female
Diabetic Management
Weight Loss Management
Sports Physicals
CDL/DOT Examinations
Welcome to Medicare Exams
Medicare Annual Visits
Minor Procedures
Vaccinations
Laboratory Services
X-rays and Diagnostic Imaging
COVID Testing
Because our Family Medicine clinics and teams are part of our leading network of hospitals, clinics, specialty practitioners and regional partners, you can rest assured knowing your CHCS family medicine provider is your connection to excellence in specialized care when needed. It’s all part of our commitment to meeting the full continuum of healthcare needs across the whole life span for those living in and around the communities we serve.
Schedule an Appointment
At CHCS Family Practice Medical Clinics, we happily accept new patients and offer same-day appointments. It’s easy to schedule by phone or online.
Use our Patient Portal to schedule an appointment, access results and records, message your healthcare team, and more. Call or visit registration at one of our locations to request an invitation to register, then set up your account in just minutes to access the portal's many features.
If you prefer to call us to schedule an appointment, you can do so by calling 785-889-4272, or by contacting any of the locations listed near the top of this page.
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
Andrew 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.
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
David 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.
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
Jana 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.
Kay Cummins, APRN‐C
Medical Staff
Locations: Frankfort, Centralia, Corning, Onaga, Holton, Westmoreland, St. Marys
Position: Advanced Practitioner
Medical Services: Emergency Department, Family Medicine
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
Marcus 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.
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
Melissa 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.
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
Merica 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.
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
Nancy 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.
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
Michele 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.
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
Amy 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.
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
Nancy 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.
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
Claire 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.
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
Annie 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.
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
Nicole 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.
Taylor Havenstein, APRN-C
Medical Staff
Location: Onaga
Position: Advanced Practitioner
Medical Service: Family Medicine
Taylor 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.
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
Heather 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
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
Julia 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.
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
Nicholas 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. .
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
Debra 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.
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
Kendra 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).
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
Jeremy 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.