Nadim Haddad, MD, is board certified in internal medicine and gastroenterology. Dr Haddad serves as physician executive director and regional chief of the Department of Gastroenterology services at MedStar Georgetown University Hospital. Dr Haddad sees adult patients for conditions affecting the gastrointestinal tract, such as pancreatic and bilary diseases, with a focus on cancer. In addition to adults, Dr Haddad also attends to pediatric patients for upper gastrointestinal endoscopy.