Ellen McGrath, MSN, PNP Pediatric Nurse Practitioner, Pain Treatment Center Image Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Listen Ellen McGrath, MSN, PNP Pediatric Nurse Practitioner, Pain Treatment Center Medical Services Programs & Services Anesthesia Pain Treatment Center Languages English Education Undergraduate School Boston College Boston MA Graduate School Northeastern University Boston MA Certifications Pediatric Nursing Certification Board (PNCB) Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115