TRYNYTYhealth:enablement
MA Enrollment Explorer / Ohio / Montgomery County

Medicare Advantage in Montgomery County, Ohio

74,022 people in Montgomery County, Ohio were enrolled in Medicare Advantage in October 2026, 61.3% of 120,726 eligible beneficiaries (−0.8 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 29% of reported enrollment; 17 parent organizations have 11 or more members and the HHI is 2,010 (highly concentrated). For 2027, 8,260 members here are in plans that terminate or leave the county. MA plans offered go from 65 to 58.

61.3%MA penetration, October 2026
74,022MA enrollees
29%leading parent's share
34.4%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Ohio

Parent organizations in Montgomery County

Parent organizationMembersChange since October 2025Share
UnitedHealth Group, Inc.21,696+5,67929.4%
Elevance Health, Inc.20,540−10,46527.8%
CVS Health Corporation11,629+2,88215.8%
Humana Inc.5,209−1,5267.1%
Trinity Health Corporation4,717+3,0806.4%
Health Care Service Corporation2,777+2,0873.8%
Centene Corporation1,946−7132.6%
MEDICAL MUTUAL OF OHIO1,361−7681.8%
Devoted Health, Inc.1,342+281.8%
Molina Healthcare, Inc.1,132−871.5%
CareSource1,021+5341.4%
SNP Holdings, LLC147−60.2%
Perennial Consortium, LLC130+810.2%
The Schroer Group, Inc.75+200.1%
Blue Cross Blue Shield of Michigan Mutual Ins. Co.59−5under 0.1%

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

Value-based care alongside MA

In PY 2024, 10,537 beneficiaries in Montgomery County were assigned to 128 Medicare Shared Savings Program ACOs, 34.4% of assignable Original Medicare beneficiaries. Together, roughly 75% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.