Medicare Advantage in Mills County, Texas
615 people in Mills County, Texas were enrolled in Medicare Advantage in October 2026, 40.1% of 1,533 eligible beneficiaries (+0.5 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 62% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 4,485 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 60 members here are in plans that terminate or leave the county. MA plans offered go from 30 to 25.
Parent organizations in Mills County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 356 | +42 | 62.1% |
| Baylor Scott & White Health | 137 | −5 | 23.9% |
| Humana Inc. | 30 | −9 | 5.2% |
| CVS Health Corporation | 19 | −4 | 3.3% |
| Health Care Service Corporation | 18 | +3 | 3.1% |
| Devoted Health, Inc. | 13 | new | 2.3% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 185 beneficiaries in Mills County were assigned to 15 Medicare Shared Savings Program ACOs, 24.0% of assignable Original Medicare beneficiaries. Together, roughly 54% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.