Medicare Advantage in McKinley County, New Mexico
4,232 people in McKinley County, New Mexico were enrolled in Medicare Advantage in October 2026, 33.5% of 12,643 eligible beneficiaries (+1.7 pts since October 2025). Health Care Service Corporation is the largest parent organization with 36% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 2,758 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 1,598 members here are in plans that terminate or leave the county, and Molina Healthcare, Inc. leaves. MA plans offered go from 5 to 4.
Parent organizations in McKinley County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Health Care Service Corporation | 1,474 | −37 | 35.5% |
| Humana Inc. | 1,293 | −187 | 31.1% |
| UnitedHealth Group, Inc. | 831 | +738 | 20.0% |
| Presbyterian Healthcare Services | 462 | −111 | 11.1% |
| Molina Healthcare, Inc. | 93 | −98 | 2.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 687 beneficiaries in McKinley County were assigned to 20 Medicare Shared Savings Program ACOs, 16.7% of assignable Original Medicare beneficiaries. Together, roughly 45% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.