Sarah Federoff, RD, LDN, CDCES Clinical Nutrition Specialist I, Division of Endocrinology Image NPI 1952883274 Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Listen Sarah Federoff, RD, LDN, CDCES Clinical Nutrition Specialist I, Division of Endocrinology Medical Services Programs & Services Nutrition Center EMPOWER Endocrinology Languages English Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115