Michael James Zerega

Dr. Michael Zerega is a gastroenterologist who focuses on diagnosing and treating conditions affecting the digestive system. He earned his medical degree from Washington University in St. Louis School of Medicine and completed his residency at the University of North Carolina Health System. With 29 years of clinical experience, Dr. Zerega has developed extensive expertise in gastrointestinal care. He is fluent in both English and Spanish, allowing him to serve a diverse patient population.

Dr. Zerega practices at SSM Health Care and sees patients at Mercy Gastroenterology in Saint Louis, Missouri. His clinical focus includes treating hemorrhoids, colon polyps, and diverticular disease. He performs colonoscopies to screen for colon cancer and detect abnormalities in the large intestine. Dr. Zerega also conducts lower GI endoscopy procedures and esophageal manometry to evaluate swallowing function. Patients rate him 5.0 out of 5 stars on average, reflecting their satisfaction with his …care.