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
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