Susan Herel, CPNP Pediatric Nurse Practitioner, Department of Cardiac Surgery Image Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Listen Susan Herel, CPNP Pediatric Nurse Practitioner, Department of Cardiac Surgery Medical Services Programs & Services Heart Center Cardiac Surgery Languages English Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115