Nan, Du M.D.Attending and Clinical InstructorPediatric Gastroenterology Pediatric Gastroenterology Pediatrics Education: Brown University Medical SchoolMain Office:617-355-6058 Boston Children Hospital 300 Longwood Ave Boston, MA 02115 Clinic Intersts:abdominal pain in children, celiac disease, constipation, diarrhea, gerd, inflammatory bowel disease. Certification: Board Certified in Pediatric Gastroenterology, Pediatrics