Medicare Advantage in Hardin County, Illinois
329 people in Hardin County, Illinois were enrolled in Medicare Advantage in October 2026, 32.5% of 1,011 eligible beneficiaries (+1.7 pts since October 2025). CVS Health Corporation is the largest parent organization with 57% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 3,845 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 18 members here are in plans that terminate or leave the county. MA plans offered go from 21 to 13.
Parent organizations in Hardin County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| CVS Health Corporation | 157 | +25 | 57.3% |
| Humana Inc. | 47 | −3 | 17.2% |
| UnitedHealth Group, Inc. | 38 | +7 | 13.9% |
| Centene Corporation | 21 | −6 | 7.7% |
| UMWA Health and Retirement Funds | 11 | 0 | 4.0% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 69 beneficiaries in Hardin County were assigned to 11 Medicare Shared Savings Program ACOs, 11.4% of assignable Original Medicare beneficiaries. Together, roughly 40% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.