Medicare Advantage in Keokuk County, Iowa
913 people in Keokuk County, Iowa were enrolled in Medicare Advantage in October 2026, 36.0% of 2,537 eligible beneficiaries (+1.0 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 24% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 2,078 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 119 members here are in plans that terminate or leave the county, and Blue Cross Blue Shield of Michigan Mutual Ins. Co. leaves. MA plans offered go from 19 to 18.
Parent organizations in Keokuk County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 219 | −163 | 24.4% |
| Humana Inc. | 210 | +80 | 23.4% |
| CVS Health Corporation | 207 | −32 | 23.1% |
| Centene Corporation | 150 | +124 | 16.7% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 98 | +21 | 10.9% |
| Elevance Health, Inc. | 13 | −4 | 1.4% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 177 beneficiaries in Keokuk County were assigned to 16 Medicare Shared Savings Program ACOs, 13.8% of assignable Original Medicare beneficiaries. Together, roughly 45% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.