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 Phone: 617-355-6000 Listen Kristelle Lavalle, MA Interactive Media Specialist, Division of Adolescent/Young Adult Medicine Medical Services Programs & Services Bullying and Cyberbullying Prevention and Advocacy Collaborative BACPAC Program Adolescent and Young Adult Medicine Languages English Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Phone: 617-355-6000