Medicare Advantage in Monona County, Iowa
930 people in Monona County, Iowa were enrolled in Medicare Advantage in October 2026, 37.5% of 2,482 eligible beneficiaries (−1.0 pts since October 2025). CVS Health Corporation is the largest parent organization with 41% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 2,567 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 212 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 10 to 11.
Parent organizations in Monona County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| CVS Health Corporation | 373 | −105 | 41.0% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 175 | +41 | 19.3% |
| Humana Inc. | 164 | +52 | 18.0% |
| Centene Corporation | 88 | new | 9.7% |
| UnitedHealth Group, Inc. | 84 | −89 | 9.2% |
| Mitchell Family Office | 25 | new | 2.8% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,066 beneficiaries in Monona County were assigned to 19 Medicare Shared Savings Program ACOs, 79.1% of assignable Original Medicare beneficiaries. Together, roughly 87% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.