Hours & Location

Regular Clinic Hours Monday - Friday 8:00 am to 5:30 pm Saturday 8:30 am to Noon

ConvenientCare Hours Monday - Friday 5:00 pm to 9:00 pm Saturday - Sunday Noon to 5:00 pm

Holiday Hours - Complete Listing Here

Yankton Medical Clinic 1104 West Eighth Street Yankton, SD 57078

News Feed

Dr. Collison Resumes Practice

Yankton Medical Clinic, P.C. is pleased to announce that Dr. Patrick Collison has recovered from injuries suffered in a car-bike accident early this summer and will be resuming his Ear, Nose, and Throat practice on Monday, September 21.

What is there to LOVE about being a dermatologist and seeing skin problems?

I’ve been a physician almost 33 years and still enjoy being a dermatologist because I genuinely love people and love caring for them! My patient care philosophy has always been to treat the patient like they’re a member of my family!

YMC Announces New Pediatrician

Yankton Medical Clinic, P.C. is pleased to announce the association of April K. Willman, MD, FAAP, Board Certified Pediatrician. Dr. Willman is a graduate of the Sanford School of Medicine of The University of South Dakota, Vermillion, SD. She comp…

Acne seems to go hand in hand with growing up. How do you treat it?

Acne is considered normal from 12-27 years of age, and nearly everyone will be affected.

Dr. Villanueva Completes Board Recertification

Yankton Medical Clinic, P.C. is pleased to announce that Oncologist/Hematologist, Mary Lee Villanueva, MD, has been recertified as a Diplomat of the American Board of Internal Medicine (ABIM).

Health of the Seventh Cavalry: A Medical History

Yankton Medical Clinic, P.C. Board Certified Otolaryngologist (ENT), Patrick J. Collison M.D, has contributed several chapters to a recently released book, Health of the Seventh Cavalry: A Medical History, edited by P. Willey and Douglas D. Scott.