Medicare Advantage in Bureau County, Illinois
2,837 people in Bureau County, Illinois were enrolled in Medicare Advantage in October 2026, 32.8% of 8,647 eligible beneficiaries (+0.9 pts since October 2025). CVS Health Corporation is the largest parent organization with 49% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 3,128 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 49 members here are in plans that terminate or leave the county, and Health Care Service Corporation leaves. MA plans offered go from 29 to 23.
Parent organizations in Bureau County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| CVS Health Corporation | 1,379 | +162 | 49.2% |
| UnitedHealth Group, Inc. | 583 | −73 | 20.8% |
| Humana Inc. | 409 | +92 | 14.6% |
| Centene Corporation | 129 | +6 | 4.6% |
| Elevance Health, Inc. | 120 | −6 | 4.3% |
| Health Care Service Corporation | 111 | −5 | 4.0% |
| Molina Healthcare, Inc. | 72 | +2 | 2.6% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,566 beneficiaries in Bureau County were assigned to 35 Medicare Shared Savings Program ACOs, 32.2% of assignable Original Medicare beneficiaries. Together, roughly 54% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.