Medicare Advantage in Walker County, Texas
7,445 people in Walker County, Texas were enrolled in Medicare Advantage in October 2026, 58.6% of 12,695 eligible beneficiaries (+1.0 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 59% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 3,879 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 241 members here are in plans that terminate or leave the county. MA plans offered go from 34 to 27.
Parent organizations in Walker County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 4,341 | +226 | 58.7% |
| Health Care Service Corporation | 1,023 | +25 | 13.8% |
| Humana Inc. | 920 | +189 | 12.4% |
| CVS Health Corporation | 619 | −150 | 8.4% |
| Centene Corporation | 284 | −21 | 3.8% |
| Elevance Health, Inc. | 200 | +86 | 2.7% |
| Molina Healthcare, Inc. | 13 | new | 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, 1,731 beneficiaries in Walker County were assigned to 49 Medicare Shared Savings Program ACOs, 46.8% of assignable Original Medicare beneficiaries. Together, roughly 78% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.