Share: Facebook LinkedIn Twitter Email Barbaresi, William Joseph, MD Return to Directory Provider Full Name Boston Children's Hospital, Developmental Medicine Center Service Diagnostic Evaluations Address 300 Longwood Ave., 10th Floor City Boston State Massachusetts ZIP Code 02115 Phone Number (617) 355-7025 Second phone number (617) 355-4125 Website http://www.childrenshospital.org/directory/physicians/b/william-barbaresi