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 Phone: 617-355-6000 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 Phone: 617-355-6000