Katelyn Colantonio, MS, RDN, LDN Clinical Nutrition Specialist I, Division of Adolescent/Young Adult Medicine Image Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Listen Katelyn Colantonio, MS, RDN, LDN Clinical Nutrition Specialist I, Division of Adolescent/Young Adult Medicine Medical Services Programs & Services Eating Disorders Program Adolescent and Young Adult Medicine Languages English Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115