Medicare Advantage in Lamb County, Texas
1,293 people in Lamb County, Texas were enrolled in Medicare Advantage in October 2026, 47.9% of 2,702 eligible beneficiaries (+1.1 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 51% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 3,488 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 186 members here are in plans that terminate or leave the county, and Baylor Scott & White Health leaves. MA plans offered go from 20 to 14.
Parent organizations in Lamb County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 651 | −33 | 51.4% |
| Humana Inc. | 254 | +56 | 20.1% |
| Centene Corporation | 254 | −17 | 20.1% |
| Elevance Health, Inc. | 70 | +18 | 5.5% |
| Baylor Scott & White Health | 37 | new | 2.9% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 513 beneficiaries in Lamb County were assigned to 19 Medicare Shared Savings Program ACOs, 48.5% of assignable Original Medicare beneficiaries. Together, roughly 73% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.