Medicare Advantage in Luna County, New Mexico
4,333 people in Luna County, New Mexico were enrolled in Medicare Advantage in October 2026, 63.4% of 6,833 eligible beneficiaries (+1.7 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 75% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 5,744 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 805 members here are in plans that terminate or leave the county, and Humana Inc., Molina Healthcare, Inc. leave. MA plans offered go from 12 to 7.
Parent organizations in Luna County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 3,195 | +38 | 74.6% |
| Humana Inc. | 417 | +67 | 9.7% |
| Health Care Service Corporation | 360 | −61 | 8.4% |
| Presbyterian Healthcare Services | 131 | −35 | 3.1% |
| Devoted Health, Inc. | 94 | new | 2.2% |
| Molina Healthcare, Inc. | 58 | new | 1.4% |
| CVS Health Corporation | 17 | −5 | 0.4% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 12 | −3 | 0.3% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 536 beneficiaries in Luna County were assigned to 30 Medicare Shared Savings Program ACOs, 34.8% of assignable Original Medicare beneficiaries. Together, roughly 76% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.