MA Enrollment Explorer / Parent organizations / Alignment Healthcare USA, LLC
Alignment Healthcare USA, LLC: Medicare Advantage enrollment and market share
Alignment Healthcare USA, LLC had 301,157 Medicare Advantage members in October 2026, #16 nationally with 0.83% of all MA enrollment. It gained 71,212 members (+31.0%) since October 2025, and has enrollment in 5 states and 55 counties with 11 or more members, leading the market in 2 of them. In the 2026 Annual Election Period (December to February) it gained 42,461 members (+18.1%). For 2027, 3,555 of its members are in plans that terminate and 10,381 in plans leaving their county. Among members who stay, 13,487 lose a Part B giveback and 5,761 an OTC allowance.
301KMA members, October 2026
+31.0%change since October 2025 (+71,212)
0.83%national MA share, rank 16
8contracts with enrollment
Largest states
| State | Members | Share of state MA |
|---|---|---|
| California | 238,066 | 6.3% |
| Nevada | 25,208 | 7.7% |
| North Carolina | 15,732 | 1.2% |
| Texas | 10,780 | 0.4% |
| Arizona | 10,658 | 1.3% |
Largest counties
| County | Members | Change since October 2025 | Share of county MA |
|---|---|---|---|
| Los Angeles County, CA | 49,077 | +9,515 | 5.0% |
| Santa Clara County, CA | 23,451 | +2,892 | 14.6% |
| Clark County, NV | 23,057 | +9,652 | 9.4% |
| San Diego County, CA | 21,078 | +2,410 | 6.2% |
| Riverside County, CA | 19,965 | +3,316 | 6.9% |
| Fresno County, CA | 19,446 | +6,452 | 24.4% |
| Stanislaus County, CA | 18,305 | +760 | 32.0% |
| El Paso County, TX | 10,714 | +4,128 | 9.2% |
| Sacramento County, CA | 10,385 | +2,288 | 5.5% |
| San Joaquin County, CA | 10,172 | +1,297 | 14.1% |
| San Bernardino County, CA | 9,942 | +1,942 | 4.2% |
| Orange County, CA | 9,172 | +2,569 | 2.7% |
| Wake County, NC | 8,575 | +4,331 | 8.6% |
| Placer County, CA | 6,649 | +1,294 | 11.3% |
| San Luis Obispo County, CA | 5,677 | +652 | 31.9% |
Contracts
| Contract | Plan type | Oct 2024 | Oct 2025 | Oct 2026 |
|---|---|---|---|---|
| H3815 Alignment Health Plan | HMO/HMOPOS | 157,090 | 187,203 | 225,609 |
| H5296 Alignment Health Plan | HMO/HMOPOS | 6,212 | 21,389 | 33,433 |
| H5472 Alignment Health Plan | HMO/HMOPOS | 3,747 | 6,648 | 10,791 |
| H3443 Alignment Health Plan | HMO/HMOPOS | 4,262 | 6,056 | 10,685 |
| H4961 Alignment Health Plan | Local PPO | 7,928 | 4,956 | 8,009 |
| H9686 Alignment Health Plan | HMO/HMOPOS | 2,579 | 2,020 | 6,818 |
| H8832 Alignment Health Plan | Local PPO | n/a | 1,506 | 4,945 |
| H7074 Alignment Health Plan | Local PPO | 98 | 167 | 867 |
| H8244 Alignment Health Plan | Local PPO | 34 | n/a | n/a |
| H9614 Alignment Health Plan | Local PPO | 80 | n/a | n/a |
| H9943 Alignment Health Plan | HMO/HMOPOS | 424 | n/a | n/a |
Star ratings for these contracts are in the MA Quality Dashboard.