Education:
M.D., Southern Illinois University - Rockford School of Medicine

Residency:
University of Illinois

About Dr. Retzinger:
Dr. Retzinger serves as Chief Coroner for Winona County. He also serves as the Medical Director for a variety of organizations including: Western Wisconsin Ambulance Service, Scenic Valley Ambulance, Winona County First Responders and Semcac Family Planning Clinic.