Medicare Advantage in Livingston County, Illinois
3,484 people in Livingston County, Illinois were enrolled in Medicare Advantage in October 2026, 41.0% of 8,499 eligible beneficiaries (+0.2 pts since October 2025). Humana Inc. is the largest parent organization with 42% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 3,314 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 264 members here are in plans that terminate or leave the county, and Health Care Service Corporation leaves. MA plans offered go from 27 to 18.
Parent organizations in Livingston County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 1,472 | +185 | 42.5% |
| CVS Health Corporation | 1,251 | +73 | 36.1% |
| UnitedHealth Group, Inc. | 456 | +63 | 13.2% |
| Centene Corporation | 155 | −20 | 4.5% |
| Health Care Service Corporation | 67 | −8 | 1.9% |
| Molina Healthcare, Inc. | 61 | −10 | 1.8% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 3,125 beneficiaries in Livingston County were assigned to 31 Medicare Shared Savings Program ACOs, 76.2% of assignable Original Medicare beneficiaries. Together, roughly 86% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.