TRYNYTYhealth:enablement
MA Enrollment Explorer / Illinois / Woodford County

Medicare Advantage in Woodford County, Illinois

3,211 people in Woodford County, Illinois were enrolled in Medicare Advantage in October 2026, 36.1% of 8,894 eligible beneficiaries (−0.3 pts since October 2025). Humana Inc. is the largest parent organization with 47% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 3,539 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 409 members here are in plans that terminate or leave the county, and Health Care Service Corporation leaves. MA plans offered go from 26 to 15.

36.1%MA penetration, October 2026
3,211MA enrollees
47%leading parent's share
78.4%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Illinois

Parent organizations in Woodford County

Parent organizationMembersChange since October 2025Share
Humana Inc.1,484+26646.6%
CVS Health Corporation1,084+12334.1%
UnitedHealth Group, Inc.443−9713.9%
Health Care Service Corporation59−31.9%
Centene Corporation58−301.8%
Molina Healthcare, Inc.54−131.7%

CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.

Value-based care alongside MA

In PY 2024, 3,475 beneficiaries in Woodford County were assigned to 34 Medicare Shared Savings Program ACOs, 78.4% 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.