Medicare Advantage in Hardin County, Iowa
1,343 people in Hardin County, Iowa were enrolled in Medicare Advantage in October 2026, 30.2% of 4,448 eligible beneficiaries (−0.9 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 26% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 2,049 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 339 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 23 to 25.
Parent organizations in Hardin County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 343 | −307 | 26.0% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 328 | +70 | 24.8% |
| CVS Health Corporation | 311 | +89 | 23.6% |
| Humana Inc. | 152 | +49 | 11.5% |
| Trinity Health Corporation | 85 | +46 | 6.4% |
| Centene Corporation | 63 | +21 | 4.8% |
| Elevance Health, Inc. | 22 | −11 | 1.7% |
| Mitchell Family Office | 16 | +3 | 1.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,644 beneficiaries in Hardin County were assigned to 16 Medicare Shared Savings Program ACOs, 71.7% of assignable Original Medicare beneficiaries. Together, roughly 80% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.