Dr. Ades has been a physician with Seacoast Gastroenterology since the inception of the practice in 1988. His extensive experience in the field of gastroenterology has helped Seacoast Gastroenterology become one of the most renowned practices of its kind in New England.

Dr. Colizzo completed specialty training in 1996 and joined Seacoast Gastroenterology in 2002 and is a key member of the practice’s group of physicians. A leader in the field of gastroenterology, Dr. Colizzo is specially trained in the endoscopic ultrasound (EUS) procedure—a state-of-the-art diagnostic technique that combines a regular endoscopic exam with a sonogram and tissue sampling to locate difficult-to-see tumors and other abnormalities.

Dr. Dowd joined Seacoast Gastroenterology in 2002 after serving as Section Head and Staff Gastroenterologist at Dartmouth Hitchcock-Manchester Division and Elliot Hospital Department of Gastroenterology.

Dr. Grondin’s expertise in caring for patients has earned Seacoast Gastroenterology a reputation for medical excellence. Licensed in both Massachusetts and New Hampshire, Dr. Grondin is the only experienced female gastroenterologist on the seacoast and has been with the practice since 1992.

Caitlin is a Physician Assistant who joined our practice in 2008.  She provides office-based and hospital-based care in collaboration with our physicians.  She also manages the Barrx Registry.

Dr. Steven Taylor joined Seacoast Gastroenterology in January of 2010 after relocating to New Hampshire to be closer to family.  He has sixteen years of gastroenterological experience in Carson City, Nevada.