Home / Greater Philadelphia Resource Guide / CHOP: Adolescent Initiative / CHOP: Adolescent Initiative Services: Health Care (General), Health Care (HIV Specialist), PrEP, Prevention, Testing, Youth Populations Served: Children,HIV/AIDS,Youth Address: 3550 Market Street 5th FloorPhiladelphia, PA 19104 Phone: 1-800-879-2467 Website Directions Back to Resource Guide