Dr. Peter G. Mavrelis


To schedule an endoscopy procedure, please call 219-738-2081 and follow the prompt.

To schedule an office appointment, please call 219-738-2081, the operator will assist you.

Dr. Peter G. Mavrelis

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 is able to perform the following procedures: transoral incisionless fundoplication (TIF), gastroscopy, colonoscopy, ablation of Barrett’s Esophagus, and endoscopic retrograde cholangiopancreatography (ERCP). Dr. Maverils 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

Joined IMA: 1981

Supporting Nurse: Marie (219) 738-2081 Ext. 162


  • Methodist Hospitals Endoscopy Center @ IMA
  • St. Mary’s Medical Center
  • St. Mary’s Medical Center at Valparaiso
  • Pinnacle Hospital

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