Medicare Advantage in Saline County, Illinois
2,298 people in Saline County, Illinois were enrolled in Medicare Advantage in October 2026, 37.3% of 6,165 eligible beneficiaries (+0.3 pts since October 2025). CVS Health Corporation is the largest parent organization with 45% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 2,741 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 237 members here are in plans that terminate or leave the county. MA plans offered go from 16 to 11.
Parent organizations in Saline County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| CVS Health Corporation | 1,022 | +221 | 45.0% |
| Humana Inc. | 402 | +62 | 17.7% |
| UnitedHealth Group, Inc. | 300 | +44 | 13.2% |
| UMWA Health and Retirement Funds | 265 | −3 | 11.7% |
| Centene Corporation | 207 | −33 | 9.1% |
| Molina Healthcare, Inc. | 76 | −18 | 3.3% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,318 beneficiaries in Saline County were assigned to 24 Medicare Shared Savings Program ACOs, 37.3% of assignable Original Medicare beneficiaries. Together, roughly 61% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.