Medicare Advantage in Taos County, New Mexico
4,874 people in Taos County, New Mexico were enrolled in Medicare Advantage in October 2026, 45.3% of 10,768 eligible beneficiaries (+0.5 pts since October 2025). Humana Inc. is the largest parent organization with 44% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 3,270 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 425 members here are in plans that terminate or leave the county, and CHRISTUS Health leaves. MA plans offered go from 15 to 7.
Parent organizations in Taos County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 2,100 | +4 | 43.5% |
| UnitedHealth Group, Inc. | 1,646 | +164 | 34.1% |
| Health Care Service Corporation | 576 | +3 | 11.9% |
| Presbyterian Healthcare Services | 418 | −50 | 8.7% |
| CVS Health Corporation | 51 | −3 | 1.1% |
| Elevance Health, Inc. | 25 | −2 | 0.5% |
| CHRISTUS Health | 14 | new | 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, 2,784 beneficiaries in Taos County were assigned to 47 Medicare Shared Savings Program ACOs, 68.2% of assignable Original Medicare beneficiaries. Together, roughly 83% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.