Medicare Advantage in McLennan County, Texas
27,407 people in McLennan County, Texas were enrolled in Medicare Advantage in October 2026, 54.0% of 50,790 eligible beneficiaries (+0.2 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 59% of reported enrollment; 10 parent organizations have 11 or more members and the HHI is 4,107 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 3,786 members here are in plans that terminate or leave the county, and Health Care Service Corporation, Mitchell Family Office leave. MA plans offered go from 28 to 25.
Parent organizations in McLennan County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 16,029 | −545 | 58.7% |
| Baylor Scott & White Health | 6,087 | +1,202 | 22.3% |
| Humana Inc. | 3,138 | −52 | 11.5% |
| CVS Health Corporation | 1,623 | +432 | 5.9% |
| Health Care Service Corporation | 214 | −214 | 0.8% |
| Centene Corporation | 97 | −55 | 0.4% |
| Highmark Health | 71 | −7 | 0.3% |
| Elevance Health, Inc. | 27 | +1 | under 0.1% |
| Mitchell Family Office | 17 | −1 | under 0.1% |
| Rifkin Managed Care Holding, LLC | 17 | −8 | under 0.1% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 12,477 beneficiaries in McLennan County were assigned to 84 Medicare Shared Savings Program ACOs, 79.0% of assignable Original Medicare beneficiaries. Together, roughly 90% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.