Jill Lewis, MS, RD, LDN Clinical Nutrition Specialist II, Nutrition Center Image Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Phone: 617-355-6000 Listen Jill Lewis, MS, RD, LDN Clinical Nutrition Specialist II, Nutrition Center Medical Services Programs & Services Nutrition Center Gastroenterology, Hepatology and Nutrition Languages English Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Phone: 617-355-6000