TRYNYTYhealth:enablement
MA Enrollment Explorer / Ohio / Sandusky County

Medicare Advantage in Sandusky County, Ohio

7,349 people in Sandusky County, Ohio were enrolled in Medicare Advantage in October 2026, 47.8% of 15,389 eligible beneficiaries (+0.5 pts since October 2025). CVS Health Corporation is the largest parent organization with 27% of reported enrollment; 10 parent organizations have 11 or more members and the HHI is 1,747 (moderately concentrated). HRSA classifies the county as fully rural. For 2027, 677 members here are in plans that terminate or leave the county. MA plans offered go from 55 to 51.

47.8%MA penetration, October 2026
7,349MA enrollees
27%leading parent's share
50.3%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Ohio

Parent organizations in Sandusky County

Parent organizationMembersChange since October 2025Share
CVS Health Corporation1,968+34026.9%
Elevance Health, Inc.1,296−49517.7%
UnitedHealth Group, Inc.1,155+5715.8%
Devoted Health, Inc.931+37412.7%
MEDICAL MUTUAL OF OHIO912−7512.5%
Humana Inc.875+3312.0%
Centene Corporation70−341.0%
CareSource56new0.8%
General Catalyst Group Management Holdings LP42+160.6%
Blue Cross Blue Shield of Michigan Mutual Ins. Co.15+20.2%

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

Value-based care alongside MA

In PY 2024, 3,133 beneficiaries in Sandusky County were assigned to 35 Medicare Shared Savings Program ACOs, 50.3% of assignable Original Medicare beneficiaries. Together, roughly 74% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.