Health Plans

Affinity Participating Health Plans

Commercial HMO Plans

Aetna
1-800-756-7039

Anthem Blue Cross
1-800-333-0912

Blue Shield of California
1-888-568-3560

CIGNA
1-800-244-6224

Health Net
1-800-638-3889

Sutter Health Plus
1-855-315-5800

UnitedHealthcare
1-800-624-8822

Medicare Advantage HMO Plans

Call us today at 888-309-2221, Monday-Friday, 8 am – 6 pm.  We can answer any questions you may have and help you change to an Affinity provider.

Health Net Medicare Advantage Programs (serving Alameda, Contra Costa, and Santa Clara Counties)
1-800-935-6565

Stanford Health Care Advantage (serving Alameda and Santa Clara Counties)
1-844-205-8422 (TTY: 711)

UnitedHealthCare  (serving Alameda, Contra Costa, and Santa Clara Counties)
1-800-590-9355