VHP Children's Clinic . Address. 1627 W. Chew St., sixth floor. Allentown, PA 18102. Get Directions ... 610-969-4200. About VHP Children's Clinic. Care for children who are well, sick or have special needs including behavioral health, ADHD, asthma, obesity and more. ... MyVHPonline Patient Portal. Give. Learn. Compliance; Health Information ....