MA payer · 4 active contracts
CALIFORNIA PHYSICIANS' SERVICE
121,408
Total MA enrolled
161
Counties served
23
States served
CA
Largest state
Top states by enrollment
Top counties
by single-county enrollment- 20,867Los Angeles, CAHMO/HMOPOS · contract H0504
- 15,406Orange, CAHMO/HMOPOS · contract H0504
- 7,386Los Angeles, CAHMO/HMOPOS · contract H2819
- 7,348San Diego, CAHMO/HMOPOS · contract H2819
- 6,365San Francisco, CALocal PPO · contract H4937
- 5,091San Bernardino, CAHMO/HMOPOS · contract H0504
- 4,587Los Angeles, CAHMO/HMOPOS · contract H5928
- 3,869San Mateo, CALocal PPO · contract H4937
- 3,522Sacramento, CALocal PPO · contract H4937
- 3,482Santa Barbara, CAHMO/HMOPOS · contract H0504
- 3,130Riverside, CAHMO/HMOPOS · contract H0504
- 2,709San Diego, CAHMO/HMOPOS · contract H5928
- 2,237Contra Costa, CALocal PPO · contract H4937
- 1,945San Diego, CAHMO/HMOPOS · contract H0504
- 1,815Alameda, CALocal PPO · contract H4937
Plan-type mix (enrollment)
HMO/HMOPOS
78,533 enrolled
Local PPO
42,875 enrolled
Source: CMS Monthly MA Enrollment by State/County/Contract (May 2026, abridged). Enrollment counts ≤ 10 are excluded from the source file (HIPAA suppression).