Helen Dawit, BSN, RN Staff Nurse, Department of Urology Image Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Phone: 617-355-6000 Listen Helen Dawit, BSN, RN Staff Nurse, Department of Urology Medical Services Programs & Services Urology Languages English Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Phone: 617-355-6000