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 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