Dr. Peter G. Mavrelis

Gastroenterologist in Northern Indiana

Joined IMA: 1981

Dr. Mavrelis is board certified in both Internal Medicine and Gastroenterology. He is a Clinical Associate Professor at Indiana University Northwest School of Medicine and performs the following procedures: transoral incisionless fundoplication (TIF), gastroscopy, colonoscopy, ablation of Barrett’s Esophagus, and endoscopic retrograde cholangiopancreatography (ERCP). Dr. Mavrelis has a particular interest in endoscopic treatments for GERD, irritable bowel syndrome, and inflammatory bowel diseases.


Medical School: Washington University, St. Louis

Internship/Residency: Milwaukee County Medical Center

Fellowship: Medical College of Wisconsin, Milwaukee

To schedule an office appointment with Dr. Mavrelis please call 219-738-2081.


Call us at (219) 738-2081Call us at (219) 738-2081