Alan Chen, MD, is a gastroenterologist at MedStar Franklin Square Medical Center and board certified by the American Board of Internal Medicine. He is skilled in evaluating and managing all general GI disorders, including but not limited to acid reflux (GERD) and irritable bowel syndrome (IBS), including diarrhea and constipation, peptic ulcer disease, GI bleeding, and colon cancer screening. He has a particular interest in COVID-19 and its effects on the GI tract.