Medicare Advantage in Crook County, Oregon
3,344 people in Crook County, Oregon were enrolled in Medicare Advantage in October 2026, 40.4% of 8,277 eligible beneficiaries (−1.5 pts since October 2025). PacificSource is the largest parent organization with 92% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 8,488 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 2,389 members here are in plans that terminate or leave the county. MA plans offered go from 5 to 6.
Parent organizations in Crook County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| PacificSource | 3,046 | +307 | 92.0% |
| UnitedHealth Group, Inc. | 152 | −2 | 4.6% |
| Providence St Joseph Health | 39 | −383 | 1.2% |
| CVS Health Corporation | 38 | +2 | 1.1% |
| Cambia Health Solutions, Inc. | 20 | −1 | 0.6% |
| Elevance Health, Inc. | 16 | −2 | 0.5% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 258 beneficiaries in Crook County were assigned to 28 Medicare Shared Savings Program ACOs, 7.5% of assignable Original Medicare beneficiaries. Together, roughly 45% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.