Medicare Advantage in Windham County, Vermont
2,800 people in Windham County, Vermont were enrolled in Medicare Advantage in October 2026, 20.9% of 13,411 eligible beneficiaries (−7.0 pts since October 2025). Humana Inc. is the largest parent organization with 75% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 5,823 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 0 members here are in plans that terminate or leave the county. MA plans offered go from 3 to 5.
Parent organizations in Windham County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 2,066 | +1,372 | 74.6% |
| Health Care Service Corporation | 395 | +379 | 14.3% |
| CVS Health Corporation | 158 | +23 | 5.7% |
| UnitedHealth Group, Inc. | 100 | −625 | 3.6% |
| Elevance Health, Inc. | 49 | −1 | 1.8% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,409 beneficiaries in Windham County were assigned to 67 Medicare Shared Savings Program ACOs, 21.9% of assignable Original Medicare beneficiaries. Together, roughly 38% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.