About

Keystone First – CHIP is a managed care organization serving Enrollees in Bucks, Chester, Delaware, Montgomery, and Philadelphia counties. Keystone First – CHIP is dedicated to quality health care in Pennsylvania. Our mission at Keystone First – CHIP is to help people get care, stay well, and build healthy communities.

Contact us

By mail

Keystone First – CHIP
200 Stevens Drive
Philadelphia, PA 19113 

By telephone

Enrollee Services
1-844-472-2447
TTY: 711

• From now through June 30, 2025, Enrollee services is available Monday through Friday from 8 a.m. to 6 p.m. 
• Beginning on July 1, 2025, Enrollee Services is available 24 hours a day, 7 days a week.

Provider Services
1-800-521-6007