MA Enrollment Explorer / Parent organizations / Altamed Health Services Corporation
Altamed Health Services Corporation: Medicare Advantage enrollment and market share
Altamed Health Services Corporation had 3,635 Medicare Advantage members in October 2026, #130 nationally with 0.01% of all MA enrollment. It gained 228 members (+6.7%) since October 2025, and has enrollment in 1 state and 3 counties with 11 or more members. In the 2026 Annual Election Period (December to February) it gained 20 members (+0.6%). For 2027, none of its members are in plans that terminate or leave their county.
3,635MA members, October 2026
+6.7%change since October 2025 (+228)
0.01%national MA share, rank 130
1contracts with enrollment
Largest states
| State | Members | Share of state MA |
|---|---|---|
| California | 3,629 | 0.1% |
Largest counties
| County | Members | Change since October 2025 | Share of county MA |
|---|---|---|---|
| Los Angeles County, CA | 3,310 | +176 | 0.3% |
| Orange County, CA | 293 | +29 | 0.1% |
| San Bernardino County, CA | 26 | new | 0.0% |
Contracts
| Contract | Plan type | Oct 2024 | Oct 2025 | Oct 2026 |
|---|---|---|---|---|
| H0542 AltaMed Health Services Corporation | National PACE | 3,131 | 3,407 | 3,635 |
Star ratings for these contracts are in the MA Quality Dashboard.