Medicare Advantage in Baker County, Oregon
862 people in Baker County, Oregon were enrolled in Medicare Advantage in October 2026, 15.8% of 5,460 eligible beneficiaries (−0.7 pts since October 2025). Humana Inc. is the largest parent organization with 86% of reported enrollment; 3 parent organizations have 11 or more members and the HHI is 7,591 (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 5 to 5.
Parent organizations in Baker County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 723 | −36 | 86.4% |
| UnitedHealth Group, Inc. | 93 | +5 | 11.1% |
| CVS Health Corporation | 21 | +2 | 2.5% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 757 beneficiaries in Baker County were assigned to 27 Medicare Shared Savings Program ACOs, 20.8% of assignable Original Medicare beneficiaries. Together, roughly 33% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.