Tiffany Lewallen, MSW, LICSW Clinical Social Worker, Boston Children's Hospital Neighborhood Partnerships Image Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Listen Tiffany Lewallen, MSW, LICSW Clinical Social Worker, Boston Children's Hospital Neighborhood Partnerships Medical Services Programs & Services Boston Children's Hospital Neighborhood Partnerships Psychiatry Languages English Certifications Licensed Independent Clinical Social Worker (LICSW) Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115