East End Gastroentrology & Hepatology
We are proud to announce video visits are available now, click the link below or call the office today to request an appointment!
Call Us: 631-591-3000

Convenient, Comprehensive Digestive Care

Convenient, Comprehensive Digestive Care Our mission at East End Gastroenterology & Hepatology is to help you when you need it most, even on a Sunday. Whether you need colonoscopy, upper endoscopy, capsule endoscopy, or Bravo pH, we are here for you when you need us most.

At East End Gastroenterology & Hepatology, you’ll discover a highly-skilled, board-certified gastroenterologist, Mark J. Coronel, MD, with 13 years of experience in the field, as well as an ANCC-certified GI Nurse Practitioner also with 13 years of experience treating a wide variety of GI conditions. We pride ourselves on quality & efficiency, maintain accreditation from the American Association for Accreditation of Ambulatory Surgery Facilities, Inc. (AAAASF), and are a proud American Society for Gastrointestinal Endoscopy (ASGE) member.

We believe that your care should not only be high-quality and comprehensive, it should be convenient and accessible for you, we are located directly off Sunrise Highway service road in the beautiful newly built Manorville Square.

Our practice treats patients 16 and older with the signed consent of a parent or guardian if under the age of 18.

For convenient high-quality digestive care, call East End Gastroenterology & Hepatology at 631-591-3000. Or use our convenient Request an Appointment form. Our patients come to us from East End, Manorville, Mastic, Riverhead, Patchogue and neighboring locations.

Locate Us

Riverhead Office

715 Roanoke ave, Building B, Riverhead, NY 11901

Manorville Office & Endoscopy Center

287 Wading River Road Unit 2 Manorville, NY 11949