Medical Clinic

Keokuk County Medical Clinic                                                                                                                 1314 S. Stuart St, Suite B                                                                                                                Sigourney, Iowa 52591                                                                                                                       PHONE:  641-622-1170                                                                                                                         FAX: 641-903-7024

For Appointments call 641-622-1170     

Keokuk County Medical Clinic provides quality healthcare to infants, children, adolescents, adults, and geriatrics.  Our providers also care for those in nursing home facilities.  Some of our services include:

  • Physical exams for all ages
  • Laboratory tests
  • Immunizations
  • Minor surgical procedures and laceration repair
  • Sprains, strains, and fracture care
  • Worker’s compensation
  • DOT physicals
  • Spirometry
  • Referrals for diagnostic testing or specialized treatments

In order to accommodate your visit more quickly, please print and complete the following forms prior to your scheduled visit.

Patient Information

Patient Medical History


Cheryl Quinn, DO

Cheryl Quinn, DO, is the Keokuk County Health Center and Clinic Medical Director. In addition to her role as a provider at the clinic, she supervises and coordinates care with non-physician providers.

Dr. Quinn graduated with her B.S. in Biology from the University of Nebraska, Omaha in 1998. She attended medical school at Des Moines University, graduating with her Doctorate of Osteopathic Medicine in 2004 then went on to complete an internship in Obstetrics and Gynecology. In addition to her OMT (Osteopathic Manipulative Medicine) degree, she is board certified in Family Practice.

Dr. Quinn began her medical career in OB/GYN surgery and obstetrics, delivering babies. After starting her own family, she shifted her focus to a wider scope as a family provider caring for patients of all ages, for all health conditions. In addition to family care and wellness checks, she also provides Department of Transportation (DOT) Commercial Driver’s License (CDL) medical exams.

Dr. Quinn maintains board certification in Family Practice and has post-doctorate training and education in Rheumatology. In addition to working at the KCHC Health Center and Medical Clinic, she providers care at the Manor House and is a Keokuk County medical examiner.

In her free time, Cheryl spends time with her family, 2 sons, and 2 dogs – a German Shepherd and a Vizsla. She also enjoys making silver jewelry, doing tie dye, flower gardening, and reading sci fi and suspense books.

Lindsey Van Duyn, DO

Lindsey Van Duyn, DO, is a full time provider in the Keokuk County Medical Clinic. She sees patients of all age ranges, from birth to geriatrics.

Her educational background includes a Bachelor of Science from the University of Central Florida. She earned her Doctorate from Edward Via College of Osteopathic Medicine. Her Residency Internship was with UH Regional Hospitals and she continued her residency training in Orthopedic Surgery at Community Memorial Health System. Her research revolves around the musculoskeletal system, osteopathic manual manipulation, and the behavior of medical students. She has published and presented on all of these topics. She has chosen to broaden her scope of practice and will practice Family Medicine.

Life outside of work revolves around raising her children and spending time with family. They enjoy outdoor activities, eating, and traveling. A native of Washington, Iowa, Lindsey is glad to serve her local community and practice rural medicine.

Jeffrey Waddell, DNP, ARNP, FNP-C 

Jeffrey Waddell, DNP, ARNP, FNP-C, began his career in healthcare in 1994 as an EMT. He earned a Bachelor of Science degree in Nursing from Pittsburg State University in southeast Kansas in 2003. After working as an ICU nurse in the Kansas City area, he moved up to hospital administration as a House Supervisor. He returned to PSU in 2008 and began studies to become a family nurse practitioner. In 2011, he earned his Master of Science in Nursing as a family nurse practitioner with a secondary emphasis in nursing education. He practiced in southeast Kansas and the Kansas City area in urgent care, family practice, and bariatric medical and surgical management. He relocated to southeast Iowa in 2012 and worked at the Eddyville Clinic for three years before going to Jefferson County Health Center in 2015. He completed the Doctor of Nursing Practice at Pittsburg State in December, 2017. He published an award-winning article about the management of type 2 diabetes mellitus in the peer-reviewed journal The Nurse Practitioner in 2017. Jeff will be seeing all age ranges of patients, from birth to geriatrics, and is especially passionate about diabetes and obesity management.

Jeffrey lives with his wife, Laura, in Ottumwa. He is active in community theater in Ottumwa, having performed in Rumors, Man of la Mancha, Wit, and Wait Until Dark. He is currently on the board of directors for Ottumwa Community Players. Additional interests include his family genealogy, college basketball, and computer programming.

Tyler Kempf, FNP-C, ARNP      

Tyler Kempf, FNP-C, ARNP is an Advanced Registered Nurse Practitioner with certification as a Family Nurse Practitioner. He is seeing patients from birth to geriatrics and is currently accepting new patients. Tyler graduated from Clarkson College with a Master’s of Science in Nursing as a family nurse practitioner in 2017 and has over 14 years of healthcare experience.

Tyler lives in Swisher with his wife, Ashley. He is a member of the Oldsmobile Club of America and enjoys exercising, being outside, working on cars and motorcycles and restoring vintage gas pumps.

Jason Polonsky, PA-C

Jason Polonsky, PA-C, graduated from the University of Miami in 2002 and completed his trauma fellowship at Emanuel Lewis Hospital in Portland, Oregon. Over the past seventeen years he has provided Emergency Medicine at various locations including the Great River Medical Center and Mercy in Iowa City. Jason is a Civilian Medical Officer for DOD/DOS co-located at Embassies, consulates and Forward Operating bases since 2011. His most recent deployment was Spring of 2019.

Emily Helling, PA-C

Emily Helling, PA-C is a primary care provider at the Keokuk County Health Center and Medical Clinic. She sees patients from birth to geriatrics and is passionate about Pediatrics, Women’s Health, and Orthopedics.

Emily grew up in Fairfield, Iowa. She completed her undergraduate education at Iowa State University where she majored in Biology, graduating with highest honors. She completed her post-graduate education at the University of Iowa’s Carver College of Medicine PA Program in 2016. She began her medical career at Jefferson County Health Center where she practiced in Family Medicine. There she gained valuable experience over a broad spectrum of practice areas over the course of the two years she practiced there.

Her life outside of work revolves around raising her son, spending time with her husband and family, and enjoying friends. She loves walking with her family, cooking, and traveling.

Other Local Healthcare Providers

Hedrick Medical Clinic 103 W. 2nd Street, Hedrick, Iowa, (641) 653-4712)

Vithespongse Pridipongse, M.D.