Valerie Zelonis, PMHNP-BC Psychiatric Nurse Practitioner, Department of Psychiatry and Behavioral Sciences Image Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Listen Valerie Zelonis, PMHNP-BC Psychiatric Nurse Practitioner, Department of Psychiatry and Behavioral Sciences Medical Services Programs & Services Inpatient Psychiatry Service Psychiatry Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115