TRYNYTYhealth:enablement
MA Enrollment Explorer / Missouri / Adair County

Medicare Advantage in Adair County, Missouri

1,356 people in Adair County, Missouri were enrolled in Medicare Advantage in October 2026, 26.6% of 5,097 eligible beneficiaries (−0.4 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 72% of reported enrollment; 4 parent organizations have 11 or more members and the HHI is 5,527 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 230 members here are in plans that terminate or leave the county. MA plans offered go from 16 to 15.

26.6%MA penetration, October 2026
1,356MA enrollees
72%leading parent's share
88.7%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Missouri

Parent organizations in Adair County

Parent organizationMembersChange since October 2025Share
UnitedHealth Group, Inc.970+2772.2%
CVS Health Corporation194+11414.4%
Humana Inc.133+409.9%
Elevance Health, Inc.47−1823.5%

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

Value-based care alongside MA

In PY 2024, 2,680 beneficiaries in Adair County were assigned to 24 Medicare Shared Savings Program ACOs, 88.7% of assignable Original Medicare beneficiaries. Together, roughly 92% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.