Medicare Advantage in Somervell County, Texas
1,231 people in Somervell County, Texas were enrolled in Medicare Advantage in October 2026, 47.6% of 2,586 eligible beneficiaries (−0.4 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 4,363 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 135 members here are in plans that terminate or leave the county. MA plans offered go from 28 to 25.
Parent organizations in Somervell County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 753 | +91 | 62.4% |
| Humana Inc. | 183 | +19 | 15.2% |
| CVS Health Corporation | 174 | +4 | 14.4% |
| Health Care Service Corporation | 66 | −25 | 5.5% |
| Rifkin Managed Care Holding, LLC | 20 | −5 | 1.7% |
| Baylor Scott & White Health | 11 | new | 0.9% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 276 beneficiaries in Somervell County were assigned to 21 Medicare Shared Savings Program ACOs, 30.3% of assignable Original Medicare beneficiaries. Together, roughly 63% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.