MA Enrollment Explorer / Parent organizations / Harris County Hospital District
Harris County Hospital District: Medicare Advantage enrollment and market share
Harris County Hospital District had 1,171 Medicare Advantage members in October 2026, #164 nationally with 0.00% of all MA enrollment. It gained 401 members (+52.1%) since October 2025, and has enrollment in 1 state and 5 counties with 11 or more members. In the 2026 Annual Election Period (December to February) it gained 240 members (+31.6%). For 2027, 0 of its members are in plans that terminate and 965 in plans leaving their county.
1,171MA members, October 2026
+52.1%change since October 2025 (+401)
0.00%national MA share, rank 164
1contracts with enrollment
Largest states
| State | Members | Share of state MA |
|---|---|---|
| Texas | 1,147 | 0.0% |
Largest counties
| County | Members | Change since October 2025 | Share of county MA |
|---|---|---|---|
| Harris County, TX | 966 | +284 | 0.2% |
| Fort Bend County, TX | 97 | +48 | 0.1% |
| Brazoria County, TX | 37 | +21 | 0.1% |
| Montgomery County, TX | 24 | new | 0.0% |
| Galveston County, TX | 23 | new | 0.1% |
Contracts
| Contract | Plan type | Oct 2024 | Oct 2025 | Oct 2026 |
|---|---|---|---|---|
| H9826 Community Health Choice | HMO/HMOPOS | 364 | 770 | 1,171 |
Star ratings for these contracts are in the MA Quality Dashboard.