Make the Most of Your Practice

As an Affinity Provider, you’re part of network of more than 700 physicians dedicated to providing affordable, quality medical care to patients in Alameda, Contra Costa and, now, Santa Clara counties. Working together, we provide innovative and affordable healthcare solutions to give our patients the choice, flexibility and high-quality care they deserve.

Physician-founded and run since 1999, Affinity is an Independent Physicians Association (IPA) focused on providing state-of-the art resources, tools and support to the finest independently practicing physicians in the Bay Area. With a management services organization fully dedicated to meeting the needs of our Members and Providers, Affinity is more capable than ever to deliver the best in efficient services and care.

Affinity’s advanced tools and systems enable us to successfully manage our growing membership, coordinate referrals and authorizations and efficiently pay claims. Our web-based platform, the Affinity Provider Portal – PRISM,can dramatically reduce managed-care barriers for your office. If your office is not currently using these provider resources, please contact us so we can help you increase your office efficiency today.

Affinity Provider Portal – PRISM


Contact Us
Provider Support: (800) 615-0261
Email Us
Mailing Address
Affinity Medical Group
PO BOX 71050
Oakland, CA 94612-7150