Christine Gangi, RN Registered Nurse, Division of Gastroenterology, Hepatology and Nutrition Image Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Listen Christine Gangi, RN Registered Nurse, Division of Gastroenterology, Hepatology and Nutrition Medical Services Programs & Services FMT Program Gastroenterology, Hepatology and Nutrition Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115