TRYNYTYhealth:enablement
MA Enrollment Explorer / Vermont / Washington County

Medicare Advantage in Washington County, Vermont

1,097 people in Washington County, Vermont were enrolled in Medicare Advantage in October 2026, 6.9% of 15,895 eligible beneficiaries (−16.8 pts since October 2025). Health Care Service Corporation is the largest parent organization with 58% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 4,078 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 0 members here are in plans that terminate or leave the county.

6.9%MA penetration, October 2026
1,097MA enrollees
58%leading parent's share
2.4%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Vermont

Parent organizations in Washington County

Parent organizationMembersChange since October 2025Share
Health Care Service Corporation613+53657.7%
CVS Health Corporation220+520.7%
UnitedHealth Group, Inc.189−64617.8%
Humana Inc.24+102.3%
Elevance Health, Inc.1701.6%

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

Value-based care alongside MA

In PY 2024, 199 beneficiaries in Washington County were assigned to 54 Medicare Shared Savings Program ACOs, 2.4% of assignable Original Medicare beneficiaries. Together, roughly 9% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.