Medicare Advantage in Butler County, Kansas
5,948 people in Butler County, Kansas were enrolled in Medicare Advantage in October 2026, 41.2% of 14,443 eligible beneficiaries (+0.7 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 39% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 3,056 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 854 members here are in plans that terminate or leave the county, and Blue Cross Blue Shield of Kansas, Centene Corporation leave. MA plans offered go from 25 to 18.
Parent organizations in Butler County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 2,314 | +31 | 39.0% |
| CVS Health Corporation | 2,015 | +68 | 34.0% |
| Humana Inc. | 1,080 | +148 | 18.2% |
| Blue Cross Blue Shield of Kansas | 382 | +77 | 6.4% |
| Elevance Health, Inc. | 85 | 0 | 1.4% |
| Centene Corporation | 40 | −69 | 0.7% |
| Kansas Superior Select | 11 | new | 0.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,452 beneficiaries in Butler County were assigned to 40 Medicare Shared Savings Program ACOs, 22.2% of assignable Original Medicare beneficiaries. Together, roughly 54% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.
