TRYNYTYhealth:enablement
MA Enrollment Explorer / Illinois / Perry County

Medicare Advantage in Perry County, Illinois

2,182 people in Perry County, Illinois were enrolled in Medicare Advantage in October 2026, 44.6% of 4,892 eligible beneficiaries (+1.4 pts since October 2025). CVS Health Corporation is the largest parent organization with 31% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 2,597 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 97 members here are in plans that terminate or leave the county, and Health Care Service Corporation leaves. MA plans offered go from 25 to 18.

44.6%MA penetration, October 2026
2,182MA enrollees
31%leading parent's share
85.1%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Illinois

Parent organizations in Perry County

Parent organizationMembersChange since October 2025Share
CVS Health Corporation674+8631.3%
UnitedHealth Group, Inc.641+5129.8%
UMWA Health and Retirement Funds552−1725.7%
Humana Inc.163+457.6%
Health Care Service Corporation49−152.3%
Centene Corporation42−42.0%
Molina Healthcare, Inc.30−21.4%

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

Value-based care alongside MA

In PY 2024, 2,397 beneficiaries in Perry County were assigned to 17 Medicare Shared Savings Program ACOs, 85.1% of assignable Original Medicare beneficiaries. Together, roughly 92% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.