Medicare Advantage in Stark County, Illinois
557 people in Stark County, Illinois were enrolled in Medicare Advantage in October 2026, 40.1% of 1,390 eligible beneficiaries (+0.6 pts since October 2025). CVS Health Corporation is the largest parent organization with 38% of reported enrollment; 4 parent organizations have 11 or more members and the HHI is 3,122 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 0 members here are in plans that terminate or leave the county. MA plans offered go from 23 to 19.
Parent organizations in Stark County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| CVS Health Corporation | 193 | −6 | 37.5% |
| Humana Inc. | 171 | +39 | 33.2% |
| UnitedHealth Group, Inc. | 125 | −3 | 24.3% |
| Centene Corporation | 26 | new | 5.0% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 296 beneficiaries in Stark County were assigned to 10 Medicare Shared Savings Program ACOs, 40.9% of assignable Original Medicare beneficiaries. Together, roughly 65% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.