TRYNYTYhealth:enablement
MA Enrollment Explorer / Ohio / Champaign County

Medicare Advantage in Champaign County, Ohio

5,192 people in Champaign County, Ohio were enrolled in Medicare Advantage in October 2026, 57.0% of 9,106 eligible beneficiaries (+1.1 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 33% of reported enrollment; 12 parent organizations have 11 or more members and the HHI is 2,121 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 484 members here are in plans that terminate or leave the county. MA plans offered go from 56 to 49.

57.0%MA penetration, October 2026
5,192MA enrollees
33%leading parent's share
31.1%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Ohio

Parent organizations in Champaign County

Parent organizationMembersChange since October 2025Share
UnitedHealth Group, Inc.1,687+77932.8%
CVS Health Corporation1,172+27922.8%
Humana Inc.823−69716.0%
Elevance Health, Inc.685−29613.3%
Trinity Health Corporation466+1109.1%
Devoted Health, Inc.121+492.4%
CareSource45+290.9%
Health Care Service Corporation44+240.9%
Centene Corporation40−190.8%
Highmark Health24−20.5%
Molina Healthcare, Inc.20new0.4%
The Schroer Group, Inc.13−30.3%

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

Value-based care alongside MA

In PY 2024, 923 beneficiaries in Champaign County were assigned to 30 Medicare Shared Savings Program ACOs, 31.1% of assignable Original Medicare beneficiaries. Together, roughly 70% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.