MA Enrollment Explorer / Parent organizations / Baylor Scott & White Health
Baylor Scott & White Health: Medicare Advantage enrollment and market share
Baylor Scott & White Health had 47,932 Medicare Advantage members in October 2026, #59 nationally with 0.13% of all MA enrollment. It gained 8,646 members (+22.0%) since October 2025, and has enrollment in 1 state and 48 counties with 11 or more members. In the 2026 Annual Election Period (December to February) it gained 6,853 members (+17.3%). For 2027, 1,263 of its members are in plans that terminate and 0 in plans leaving their county, and it leaves 8 counties entirely. Among members who stay, 2,812 lose a Part B giveback and 46,211 an OTC allowance.
48KMA members, October 2026
+22.0%change since October 2025 (+8,646)
0.13%national MA share, rank 59
2contracts with enrollment
Largest states
| State | Members | Share of state MA |
|---|---|---|
| Texas | 47,860 | 1.7% |
Largest counties
| County | Members | Change since October 2025 | Share of county MA |
|---|---|---|---|
| Bell County, TX | 11,826 | +1,183 | 34.7% |
| McLennan County, TX | 6,087 | +1,202 | 22.3% |
| Williamson County, TX | 4,504 | +612 | 9.0% |
| Dallas County, TX | 3,810 | +878 | 1.9% |
| Collin County, TX | 2,536 | +812 | 3.6% |
| Ellis County, TX | 1,753 | +664 | 8.5% |
| Brazos County, TX | 1,708 | +156 | 11.1% |
| Coryell County, TX | 1,518 | +34 | 24.0% |
| Tarrant County, TX | 1,414 | +510 | 0.8% |
| Milam County, TX | 1,154 | +68 | 29.6% |
| Burnet County, TX | 1,106 | +158 | 15.8% |
| Washington County, TX | 988 | +196 | 23.2% |
| Lubbock County, TX | 962 | +648 | 3.3% |
| Denton County, TX | 938 | +306 | 1.5% |
| Llano County, TX | 839 | +101 | 20.9% |
Contracts
| Contract | Plan type | Oct 2024 | Oct 2025 | Oct 2026 |
|---|---|---|---|---|
| H8142 Baylor Scott & White Health Plan | HMO/HMOPOS | 26,791 | 33,627 | 38,700 |
| H2032 Baylor Scott & White Health Plan | Local PPO | 2,662 | 5,481 | 9,232 |
| H4943 Baylor Scott & White Health Plan | HMO/HMOPOS | 193 | 178 | n/a |
Star ratings for these contracts are in the MA Quality Dashboard.