Medicare Advantage in Lamoille County, Vermont
481 people in Lamoille County, Vermont were enrolled in Medicare Advantage in October 2026, 7.7% of 6,226 eligible beneficiaries (−21.5 pts since October 2025). Health Care Service Corporation is the largest parent organization with 59% of reported enrollment; 4 parent organizations have 11 or more members and the HHI is 4,424 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 0 members here are in plans that terminate or leave the county.
Parent organizations in Lamoille County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Health Care Service Corporation | 267 | +182 | 59.2% |
| UnitedHealth Group, Inc. | 129 | −264 | 28.6% |
| CVS Health Corporation | 44 | +5 | 9.8% |
| Elevance Health, Inc. | 11 | 0 | 2.4% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 111 beneficiaries in Lamoille County were assigned to 42 Medicare Shared Savings Program ACOs, 3.6% of assignable Original Medicare beneficiaries. Together, roughly 11% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.