Medicare Advantage in Adair County, Iowa
504 people in Adair County, Iowa were enrolled in Medicare Advantage in October 2026, 26.7% of 1,888 eligible beneficiaries (−3.1 pts since October 2025). CVS Health Corporation is the largest parent organization with 47% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 2,896 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 0 members here are in plans that terminate or leave the county. MA plans offered go from 14 to 16.
Parent organizations in Adair County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| CVS Health Corporation | 229 | +25 | 47.4% |
| Centene Corporation | 67 | +52 | 13.9% |
| Humana Inc. | 65 | +30 | 13.5% |
| Trinity Health Corporation | 63 | new | 13.0% |
| UnitedHealth Group, Inc. | 48 | −120 | 9.9% |
| Elevance Health, Inc. | 11 | −2 | 2.3% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 906 beneficiaries in Adair County were assigned to 14 Medicare Shared Savings Program ACOs, 79.6% of assignable Original Medicare beneficiaries. Together, roughly 85% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.