Stefanie Horoho, MSN Nurse Practitioner, Department of Cardiology Image Email Email Me Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Phone: 617-355-6000 Listen Stefanie Horoho, MSN Nurse Practitioner, Department of Cardiology Medical Services Programs & Services Inpatient Cardiology Heart Center Cardiology Languages English Certifications Nurse Practitioner Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Phone: 617-355-6000