Medicare Advantage in Stonewall County, Texas
100 people in Stonewall County, Texas were enrolled in Medicare Advantage in October 2026, 24.3% of 412 eligible beneficiaries (−1.7 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 74% of reported enrollment; 2 parent organizations have 11 or more members and the HHI is 6,187 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 0 members here are in plans that terminate or leave the county. MA plans offered go from 11 to 5.
Parent organizations in Stonewall County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 58 | −7 | 74.4% |
| Humana Inc. | 20 | +4 | 25.6% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 167 beneficiaries in Stonewall County were assigned to 5 Medicare Shared Savings Program ACOs, 67.5% of assignable Original Medicare beneficiaries. Together, roughly 75% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.