Medicare Advantage in Blanco County, Texas
1,744 people in Blanco County, Texas were enrolled in Medicare Advantage in October 2026, 39.7% of 4,388 eligible beneficiaries (−0.3 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 55% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 3,524 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 217 members here are in plans that terminate or leave the county, and Health Care Service Corporation leaves. MA plans offered go from 37 to 30.
Parent organizations in Blanco County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 941 | −130 | 54.7% |
| Humana Inc. | 335 | +94 | 19.5% |
| Health Care Service Corporation | 128 | +19 | 7.4% |
| Devoted Health, Inc. | 112 | +69 | 6.5% |
| Baylor Scott & White Health | 97 | +32 | 5.6% |
| CVS Health Corporation | 74 | −10 | 4.3% |
| Centene Corporation | 33 | −7 | 1.9% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,088 beneficiaries in Blanco County were assigned to 36 Medicare Shared Savings Program ACOs, 56.1% of assignable Original Medicare beneficiaries. Together, roughly 74% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.
