Medicare Advantage in Clinton County, Missouri
2,203 people in Clinton County, Missouri were enrolled in Medicare Advantage in October 2026, 41.3% of 5,333 eligible beneficiaries (−0.7 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 64% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 4,455 (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 22 to 25.
Parent organizations in Clinton County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 1,395 | −116 | 63.8% |
| CVS Health Corporation | 328 | −75 | 15.0% |
| Humana Inc. | 235 | +157 | 10.7% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 138 | −6 | 6.3% |
| Devoted Health, Inc. | 66 | new | 3.0% |
| Centene Corporation | 26 | −4 | 1.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 450 beneficiaries in Clinton County were assigned to 26 Medicare Shared Savings Program ACOs, 20.5% of assignable Original Medicare beneficiaries. Together, roughly 53% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.