Medicare Advantage in Winkler County, Texas
447 people in Winkler County, Texas were enrolled in Medicare Advantage in October 2026, 40.2% of 1,111 eligible beneficiaries (−2.5 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 70% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 5,280 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 60 members here are in plans that terminate or leave the county, and Health Care Service Corporation leaves. MA plans offered go from 8 to 4.
Parent organizations in Winkler County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 298 | −25 | 70.1% |
| Humana Inc. | 75 | +9 | 17.6% |
| Health Care Service Corporation | 21 | −23 | 4.9% |
| Elevance Health, Inc. | 18 | new | 4.2% |
| CVS Health Corporation | 13 | 0 | 3.1% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 240 beneficiaries in Winkler County were assigned to 10 Medicare Shared Savings Program ACOs, 52.1% of assignable Original Medicare beneficiaries. Together, roughly 71% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.