Medicare Advantage in Dona Ana County, New Mexico
26,973 people in Dona Ana County, New Mexico were enrolled in Medicare Advantage in October 2026, 54.7% of 49,280 eligible beneficiaries (+0.8 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 68% of reported enrollment; 10 parent organizations have 11 or more members and the HHI is 4,869 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 2,541 members here are in plans that terminate or leave the county, and Molina Healthcare, Inc. leaves. MA plans offered go from 18 to 10.
Parent organizations in Dona Ana County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 18,211 | −518 | 67.9% |
| Humana Inc. | 2,943 | +36 | 11.0% |
| Health Care Service Corporation | 2,728 | +283 | 10.2% |
| Presbyterian Healthcare Services | 1,224 | −206 | 4.6% |
| Devoted Health, Inc. | 1,131 | new | 4.2% |
| CVS Health Corporation | 281 | −11 | 1.0% |
| Molina Healthcare, Inc. | 198 | +164 | 0.7% |
| Elevance Health, Inc. | 56 | +1 | 0.2% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 47 | +6 | 0.2% |
| California Physicians' Service | 17 | 0 | 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, 4,010 beneficiaries in Dona Ana County were assigned to 101 Medicare Shared Savings Program ACOs, 26.3% of assignable Original Medicare beneficiaries. Together, roughly 67% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.