MA payer · 1 active contracts
IMPERIAL HEALTH PLAN OF CALIFORNIA, INC.
51,070
Total MA enrolled
55
Counties served
3
States served
CA
Largest state
Top counties
by single-county enrollment- 4,862Sonoma, CAHMO/HMOPOS · contract H5496
- 4,430Merced, CAHMO/HMOPOS · contract H5496
- 4,297Stanislaus, CAHMO/HMOPOS · contract H5496
- 4,292Kern, CAHMO/HMOPOS · contract H5496
- 3,600Imperial, CAHMO/HMOPOS · contract H5496
- 3,087San Joaquin, CAHMO/HMOPOS · contract H5496
- 2,395Contra Costa, CAHMO/HMOPOS · contract H5496
- 1,909Riverside, CAHMO/HMOPOS · contract H5496
- 1,660Santa Clara, CAHMO/HMOPOS · contract H5496
- 1,380El Dorado, CAHMO/HMOPOS · contract H5496
- 1,253Ventura, CAHMO/HMOPOS · contract H5496
- 1,234Napa, CAHMO/HMOPOS · contract H5496
- 1,221Butte, CAHMO/HMOPOS · contract H5496
- 1,137Sacramento, CAHMO/HMOPOS · contract H5496
- 965San Benito, CAHMO/HMOPOS · contract H5496
Plan-type mix (enrollment)
HMO/HMOPOS
51,070 enrolled
Source: CMS Monthly MA Enrollment by State/County/Contract (May 2026, abridged). Enrollment counts ≤ 10 are excluded from the source file (HIPAA suppression).