Elizabeth Foster, RN Diabetes Nurse Educator, Division of Endocrinology Image Phone Endocrine: 617-355-7476 | OWL: 617-355-5159 Fax 617-730-0194 Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Listen Elizabeth Foster, RN Diabetes Nurse Educator, Division of Endocrinology Medical Services Programs & Services Optimal Wellness for Life (OWL) Endocrinology Languages English Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115