Medicare Advantage in Lake County, Oregon
49 people in Lake County, Oregon were enrolled in Medicare Advantage in October 2026, 2.0% of 2,449 eligible beneficiaries (−0.02 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 100% of reported enrollment; 1 parent organizations have 11 or more members and the HHI is 10,000 (highly concentrated). HRSA classifies the county as fully rural.
Parent organizations in Lake County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 22 | −1 | 100.0% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 560 beneficiaries in Lake County were assigned to 16 Medicare Shared Savings Program ACOs, 36.5% 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.