TRYNYTYhealth:enablement
MA Enrollment Explorer / Colorado / Otero County

Medicare Advantage in Otero County, Colorado

2,938 people in Otero County, Colorado were enrolled in Medicare Advantage in October 2026, 60.6% of 4,849 eligible beneficiaries (+0.2 pts since October 2025). Humana Inc. is the largest parent organization with 67% of reported enrollment; 3 parent organizations have 11 or more members and the HHI is 5,559 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 525 members here are in plans that terminate or leave the county. MA plans offered go from 7 to 4.

60.6%MA penetration, October 2026
2,938MA enrollees
67%leading parent's share
45.9%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Colorado

Parent organizations in Otero County

Parent organizationMembersChange since October 2025Share
Humana Inc.1,953+44967.3%
UnitedHealth Group, Inc.931−41832.1%
CVS Health Corporation1800.6%

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

Value-based care alongside MA

In PY 2024, 598 beneficiaries in Otero County were assigned to 18 Medicare Shared Savings Program ACOs, 45.9% of assignable Original Medicare beneficiaries. Together, roughly 79% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.