Health Plan Contact Information

Affinity Participating Health Plans

Commercial HMO Plans

Aetna
1-800-756-7039

Anthem Blue Cross
Large Employer Groups: 1-800-227-3560
Small Employer Groups: 1-800-627-8797
Individual Policies: 1-800-333-0912

Blue Shield of California
1-800-424-6521

CIGNA
1-800-882-4462

Health Net
1-800-638-3889

Sutter Health Plus
1-855-830-3500

UnitedHealthcare
1-800-624-8822

Medicare Advantage HMO Plans

Call us today at 800-615-0261, Monday-Friday, 8 am – 6 pm.  We can answer any questions you may have.

UnitedHealthcare
(serving Alameda, Contra Costa, and Santa Clara Counties)
1-800-624-8822

Health Net Medicare Programs (serving Alameda County)
1-800-935-6565

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