TRYNYTYhealth:enablement
MA Enrollment Explorer / New Mexico / Otero County

Medicare Advantage in Otero County, New Mexico

6,270 people in Otero County, New Mexico were enrolled in Medicare Advantage in October 2026, 41.7% of 15,018 eligible beneficiaries (+0.8 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 69% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 5,202 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 1,365 members here are in plans that terminate or leave the county, and CHRISTUS Health, Molina Healthcare, Inc. leave. MA plans offered go from 8 to 3.

41.7%MA penetration, October 2026
6,270MA enrollees
69%leading parent's share
53.1%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in New Mexico

Parent organizations in Otero County

Parent organizationMembersChange since October 2025Share
UnitedHealth Group, Inc.4,319+12769.4%
Health Care Service Corporation1,134−4018.2%
Presbyterian Healthcare Services329−755.3%
CHRISTUS Health311+1865.0%
CVS Health Corporation74+61.2%
Humana Inc.30−60.5%
Molina Healthcare, Inc.16new0.3%
Elevance Health, Inc.11−20.2%

CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.

Value-based care alongside MA

In PY 2024, 3,033 beneficiaries in Otero County were assigned to 63 Medicare Shared Savings Program ACOs, 53.1% 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.