Medicare Advantage in Henderson County, Texas
12,627 people in Henderson County, Texas were enrolled in Medicare Advantage in October 2026, 53.3% of 23,696 eligible beneficiaries (+0.7 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 42% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 2,923 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 4,009 members here are in plans that terminate or leave the county, and Health Care Service Corporation, CVS Health Corporation, CHRISTUS Health leave. MA plans offered go from 36 to 19.
Parent organizations in Henderson County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 5,225 | −226 | 41.5% |
| Humana Inc. | 3,640 | +366 | 28.9% |
| Health Care Service Corporation | 2,240 | +81 | 17.8% |
| CVS Health Corporation | 758 | +47 | 6.0% |
| CHRISTUS Health | 295 | +73 | 2.3% |
| Elevance Health, Inc. | 252 | +101 | 2.0% |
| Highmark Health | 153 | −2 | 1.2% |
| Molina Healthcare, Inc. | 25 | +8 | 0.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 3,341 beneficiaries in Henderson County were assigned to 45 Medicare Shared Savings Program ACOs, 41.4% of assignable Original Medicare beneficiaries. Together, roughly 73% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.