Tina Sun, MS, RD, LDN, CCTD Clinical Nutritional Specialist II, Division of Gastroenterology and Nutrition (ACT patients) Image NPI 1083244545 Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Listen Tina Sun, MS, RD, LDN, CCTD Clinical Nutritional Specialist II, Division of Gastroenterology and Nutrition (ACT patients) Medical Services Programs & Services Outpatient Cardiology Heart Failure Program Nutrition Center Gastroenterology, Hepatology and Nutrition Conditions & Treatments Cardiomyopathy Congenital Heart Defects Heart Transplant Languages Chinese English Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115