John Hayes, PNP Pediatric Nurse Practitioner, Department of Anesthesiology, Critical Care and Pain Medicine Image Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Brookline Boston Children's Brookline 2 Brookline Place Brookline, Massachusetts 02445 Listen John Hayes, PNP Pediatric Nurse Practitioner, Department of Anesthesiology, Critical Care and Pain Medicine Medical Services Programs & Services Pain Treatment Center Anesthesia Languages English Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Brookline Boston Children's Brookline 2 Brookline Place Brookline, Massachusetts 02445