Medicare Advantage in Marion County, Kansas
657 people in Marion County, Kansas were enrolled in Medicare Advantage in October 2026, 19.7% of 3,339 eligible beneficiaries (+0.9 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 43% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 2,906 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 46 members here are in plans that terminate or leave the county, and Blue Cross Blue Shield of Kansas leaves. MA plans offered go from 23 to 17.
Parent organizations in Marion County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 269 | +2 | 42.7% |
| Humana Inc. | 147 | +9 | 23.3% |
| CVS Health Corporation | 135 | +9 | 21.4% |
| Blue Cross Blue Shield of Kansas | 53 | +24 | 8.4% |
| Elevance Health, Inc. | 15 | new | 2.4% |
| Centene Corporation | 11 | −7 | 1.7% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 519 beneficiaries in Marion County were assigned to 12 Medicare Shared Savings Program ACOs, 23.5% of assignable Original Medicare beneficiaries. Together, roughly 39% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.