Medicare Advantage in Lyon County, Kansas
1,754 people in Lyon County, Kansas were enrolled in Medicare Advantage in October 2026, 25.5% of 6,885 eligible beneficiaries (+1.0 pts since October 2025). CVS Health Corporation is the largest parent organization with 31% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 2,208 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 362 members here are in plans that terminate or leave the county. MA plans offered go from 22 to 18.
Parent organizations in Lyon County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| CVS Health Corporation | 534 | −71 | 31.3% |
| Humana Inc. | 397 | +77 | 23.3% |
| UnitedHealth Group, Inc. | 372 | −4 | 21.8% |
| Blue Cross Blue Shield of Kansas | 219 | +71 | 12.8% |
| Elevance Health, Inc. | 87 | +17 | 5.1% |
| Midland Care Connection, Inc. | 72 | +9 | 4.2% |
| Centene Corporation | 25 | −22 | 1.5% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 2,012 beneficiaries in Lyon County were assigned to 27 Medicare Shared Savings Program ACOs, 48.7% of assignable Original Medicare beneficiaries. Together, roughly 62% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.