Medicare Advantage in Caledonia County, Vermont
1,751 people in Caledonia County, Vermont were enrolled in Medicare Advantage in October 2026, 20.7% of 8,447 eligible beneficiaries (−10.9 pts since October 2025). Humana Inc. is the largest parent organization with 65% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 4,899 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 73 members here are in plans that terminate or leave the county. MA plans offered go from 2 to 1.
Parent organizations in Caledonia County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 1,119 | +740 | 65.0% |
| Health Care Service Corporation | 436 | +322 | 25.3% |
| UnitedHealth Group, Inc. | 75 | −307 | 4.4% |
| CVS Health Corporation | 64 | +6 | 3.7% |
| Elevance Health, Inc. | 28 | −1 | 1.6% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 303 beneficiaries in Caledonia County were assigned to 27 Medicare Shared Savings Program ACOs, 7.0% of assignable Original Medicare beneficiaries. Together, roughly 26% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.