Zachary Marwil, MD, is a Clinical Assistant Professor in Gastroenterology at the Zucker School of Medicine at Hofstra/Northwell. He is also the Managing Director at the Northwell Endoscopy Center of Long Island in Garden City, NY and has a private practice in Gastroenterology in Wantagh, NY. Dr. Marwil received his medical degree from St. George's University in 2009 and completed his Residency in Internal Medicine and Fellowship in Gastroenterology at SUNY Downstate. He also served as Chief Resident for the SUNY Downstate Department of Medicine. His clinical interests include gastrointestinal cancers and inflammatory bowel disease. Dr. Marwil has presented several times at national meetings and conferences.