Dr. William Thomas Shaffer, MD

Dr. William Shaffer is an internal medicine physician with four decades of medical experience treating a wide range of adult health conditions. He earned his medical degree from the University of Iowa, where he also completed his residency training at University of Iowa Hospitals & Clinics. His extensive background in internal medicine allows him to provide comprehensive care for complex medical issues. Dr. Shaffer is fluent in both English and Spanish, enabling him to serve diverse patient populations.

Dr. Shaffer practices at locations in Bloomington and Fridley and maintains affiliations with Minneapolis Heart Institute and Mercy Hospital Unity Campus. He specializes in treating heart failure, helping patients manage this serious cardiovascular condition through evidence-based approaches. His practice also includes care for patients dealing with substance use challenges, including alcohol and cannabis use disorders, providing compassionate support for recovery and health improvement.