Dr. Ollington joined the practice in October 2021. He grew up in Chelmsford, MA, graduated from Boston University in 2002 and Tufts University School of Medicine in 2007. He completed his internal medicine residency in 2010 at Cedars Sinai Medical Center in Los Angeles. He remained at Cedars Sinai for an additional year as a Chief Medical Resident. He then completed his gastroenterology fellowship at the University of Miami in 2014 before returning to New England. He is board certified in gastroenterology. His clinical interests include colon cancer prevention, GERD, inflammatory bowel disease, functional bowel disorders, and liver disease. He is proficient in colonoscopy, esophagogastroduodenoscopy (EGD), and capsule endoscopy. Dr. Ollington and his family live on the North Shore. He enjoys following Boston sports teams, playing tennis, and spending time with his family.