Medicare Advantage in Sedgwick County, Kansas
46,279 people in Sedgwick County, Kansas were enrolled in Medicare Advantage in October 2026, 44.6% of 103,660 eligible beneficiaries (+0.2 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 36% of reported enrollment; 10 parent organizations have 11 or more members and the HHI is 2,892 (highly concentrated). For 2027, 7,629 members here are in plans that terminate or leave the county, and Blue Cross Blue Shield of Kansas leaves. MA plans offered go from 25 to 19.
Parent organizations in Sedgwick County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 16,797 | −243 | 36.4% |
| CVS Health Corporation | 15,828 | −142 | 34.3% |
| Humana Inc. | 8,521 | +1,291 | 18.5% |
| Blue Cross Blue Shield of Kansas | 2,935 | +811 | 6.4% |
| Elevance Health, Inc. | 926 | +44 | 2.0% |
| Centene Corporation | 637 | −672 | 1.4% |
| Ascension Health Alliance | 292 | +42 | 0.6% |
| Kansas Superior Select | 150 | +19 | 0.3% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 21 | 0 | under 0.1% |
| Health Care Service Corporation | 20 | +5 | under 0.1% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 9,054 beneficiaries in Sedgwick County were assigned to 120 Medicare Shared Savings Program ACOs, 21.2% of assignable Original Medicare beneficiaries. Together, roughly 56% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.