Medicare Advantage in Malheur County, Oregon
2,310 people in Malheur County, Oregon were enrolled in Medicare Advantage in October 2026, 34.4% of 6,711 eligible beneficiaries (+0.5 pts since October 2025). Humana Inc. is the largest parent organization with 98% of reported enrollment; 2 parent organizations have 11 or more members and the HHI is 9,629 (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 6 to 6.
Parent organizations in Malheur County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 2,231 | +79 | 98.1% |
| UnitedHealth Group, Inc. | 43 | −5 | 1.9% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,134 beneficiaries in Malheur County were assigned to 18 Medicare Shared Savings Program ACOs, 35.6% of assignable Original Medicare beneficiaries. Together, roughly 58% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.