General Info

Mark Coronel, MD is a board-certified gastroenterologist practicing in Manorville, NY, and has a 2nd office in Riverhead, NY. As a digestive health specialist, he sees patients for all digestive conditions. His primary interests include colon cancer screening, pancreatic disease, liver disease, GERD management, PH monitoring studies, inflammatory bowel disease, biliary tract disease, and capsule endoscopy. Dr. Coronel is the director of endoscopy at Peconic Bay Medical.