MA Enrollment Explorer / Parent organizations / CHRISTUS Health
CHRISTUS Health: Medicare Advantage enrollment and market share
CHRISTUS Health had 8,888 Medicare Advantage members in October 2026, #112 nationally with 0.02% of all MA enrollment. It gained 1,745 members (+24.4%) since October 2025, and has enrollment in 2 states and 40 counties with 11 or more members. In the 2026 Annual Election Period (December to February) it gained 1,601 members (+22.1%). For 2027, 8,701 of its members are in plans that terminate and 0 in plans leaving their county, and it leaves 39 counties entirely.
8,888MA members, October 2026
+24.4%change since October 2025 (+1,745)
0.02%national MA share, rank 112
1contracts with enrollment
Largest states
| State | Members | Share of state MA |
|---|---|---|
| Texas | 7,611 | 0.3% |
| New Mexico | 1,188 | 0.5% |
Largest counties
| County | Members | Change since October 2025 | Share of county MA |
|---|---|---|---|
| Smith County, TX | 2,706 | +286 | 10.2% |
| Wood County, TX | 875 | +114 | 10.6% |
| Cherokee County, TX | 597 | +86 | 9.7% |
| Santa Fe County, NM | 591 | +60 | 3.1% |
| Gregg County, TX | 538 | +103 | 3.6% |
| Otero County, NM | 311 | +186 | 5.0% |
| Henderson County, TX | 295 | +73 | 2.3% |
| Van Zandt County, TX | 289 | +69 | 3.6% |
| Nueces County, TX | 287 | +95 | 0.6% |
| Upshur County, TX | 241 | +30 | 4.4% |
| Hopkins County, TX | 225 | +44 | 5.7% |
| Bowie County, TX | 203 | +84 | 2.3% |
| Harrison County, TX | 183 | +22 | 2.4% |
| Rusk County, TX | 174 | +37 | 2.9% |
| Cass County, TX | 158 | +53 | 3.7% |
Contracts
| Contract | Plan type | Oct 2024 | Oct 2025 | Oct 2026 |
|---|---|---|---|---|
| H1189 CHRISTUS Health Advantage | HMO/HMOPOS | 5,371 | 7,143 | 8,888 |
Star ratings for these contracts are in the MA Quality Dashboard.