MA payer · 2 active contracts
ARCADIAN HEALTH PLAN, INC.
536,802
Total MA enrolled
598
Counties served
15
States served
CA
Largest state
Top states by enrollment
Top counties
by single-county enrollment- 35,321Los Angeles, CAHMO/HMOPOS · contract H5619
- 16,883King, WAHMO/HMOPOS · contract H5619
- 9,767Marion, INHMO/HMOPOS · contract H4939
- 9,394Ventura, CAHMO/HMOPOS · contract H5619
- 9,288Orange, CAHMO/HMOPOS · contract H5619
- 8,982Marion, INHMO/HMOPOS · contract H5619
- 8,849Tulare, CAHMO/HMOPOS · contract H5619
- 8,523Snohomish, WAHMO/HMOPOS · contract H5619
- 8,287Jefferson, KYHMO/HMOPOS · contract H5619
- 8,053Spartanburg, SCHMO/HMOPOS · contract H5619
- 7,978Riverside, CAHMO/HMOPOS · contract H5619
- 7,313Greenville, SCHMO/HMOPOS · contract H5619
- 7,244Horry, SCHMO/HMOPOS · contract H5619
- 6,772San Joaquin, CAHMO/HMOPOS · contract H5619
- 6,715Clark, WAHMO/HMOPOS · contract H5619
Plan-type mix (enrollment)
HMO/HMOPOS
536,802 enrolled
Source: CMS Monthly MA Enrollment by State/County/Contract (May 2026, abridged). Enrollment counts ≤ 10 are excluded from the source file (HIPAA suppression).