Medicare Advantage in Butler County, Missouri
4,037 people in Butler County, Missouri were enrolled in Medicare Advantage in October 2026, 38.7% of 10,442 eligible beneficiaries (−1.0 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 66% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 4,787 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 62 members here are in plans that terminate or leave the county. MA plans offered go from 14 to 14.
Parent organizations in Butler County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 2,652 | +401 | 66.1% |
| CVS Health Corporation | 645 | +362 | 16.1% |
| Humana Inc. | 434 | +79 | 10.8% |
| Elevance Health, Inc. | 243 | −883 | 6.1% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 36 | −5 | 0.9% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 3,911 beneficiaries in Butler County were assigned to 45 Medicare Shared Savings Program ACOs, 76.6% of assignable Original Medicare beneficiaries. Together, roughly 86% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.