Dr. Katherine Ann Petrin, MD

Dr. Katherine Petrin is a surgeon with 14 years of experience serving patients throughout Michigan's Upper Peninsula and beyond. She earned her medical degree from the University of Washington School of Medicine and completed her residency through the Academic Surgery Program. Her surgical expertise spans multiple areas, with particular focus on complex cases requiring specialized care.

Dr. Petrin practices at several locations including the Upper Peninsula Surgery Center and Up Health System Marquette in Marquette, Michigan, as well as Bell Hospital in Ishpeming. She maintains hospital affiliations with Trinity Health facilities in Livonia, Chelsea, and Ann Arbor, along with Up Health System Marquette and Confluence Health hospitals in Washington state. Her surgical skills include performing colonoscopies and other diagnostic procedures to help patients with conditions such as colon polyps, hernias, and breast cancer. She also coordinates pathology testing to ensure comprehensive …patient care.