About us

Keystone First is Pennsylvania's largest Medical Assistance (Medicaid) managed care health plan serving more than 400,000 Medical Assistance recipients in Southeastern Pennsylvania including Bucks, Chester, Delaware, Montgomery and Philadelphia counties.

Keystone First offers all of the benefits and services of regular Medical Assistance, plus special programs and benefits that are only available to Keystone First members. We aim to provide a medical home that helps our members access the services they need. And we provide extensive programs to help our members prevent illness and injury so they can live healthier lives.

Keystone First was founded by the Sisters of Mercy 35 years ago. Today, we remain committed to our mission of helping people get care, stay well and build healthy communities, with a special concern for the poor. Our corporate parent partners are Independence Blue Cross and Blue Cross Blue Shield of Michigan, two of the nation's largest Blue health insurers.