Dr. William John Riesen, MD

Dr. William Riesen is an internal medicine physician who has dedicated 38 years to caring for patients with a wide range of medical conditions. He earned his medical degree from the prestigious Perelman School of Medicine at the University of Pennsylvania and completed his residency training at the University of Michigan Health System. His extensive experience in internal medicine allows him to provide comprehensive primary care and manage complex medical issues. Dr. Riesen is fluent in both English and Spanish, enabling him to serve a diverse patient population.

Dr. Riesen practices at MercyOne North Iowa Medical Center in Mason City, Iowa, where he focuses on diagnosing and treating various conditions including chest pain and chest wall problems. He utilizes diagnostic tools such as electrocardiograms to evaluate heart health and works with patients on strength training and physical therapy programs to support their overall wellness. His patients have given him an average rating of …3.8 out of 5, reflecting their experiences with his care.