Kristelle Lavalle, MA Interactive Media Specialist, Division of Adolescent/Young Adult Medicine Image Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Listen Kristelle Lavalle, MA Interactive Media Specialist, Division of Adolescent/Young Adult Medicine Medical Services Programs & Services Bullying Cyberbullying Prevention BACPAC Adolescent and Young Adult Medicine Languages English Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115