Medicare Advantage in Josephine County, Oregon
16,812 people in Josephine County, Oregon were enrolled in Medicare Advantage in October 2026, 58.7% of 28,638 eligible beneficiaries (+0.5 pts since October 2025). Cambia Health Solutions, Inc. is the largest parent organization with 27% of reported enrollment; 9 parent organizations have 11 or more members and the HHI is 2,030 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 11,129 members here are in plans that terminate or leave the county, and Cambia Health Solutions, Inc., Centene Corporation leave. MA plans offered go from 20 to 5.
Parent organizations in Josephine County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Cambia Health Solutions, Inc. | 4,513 | −175 | 27.0% |
| UnitedHealth Group, Inc. | 4,191 | +1,496 | 25.0% |
| Centene Corporation | 2,960 | −550 | 17.7% |
| CVS Health Corporation | 2,715 | +1,337 | 16.2% |
| AllCare Health, Inc. | 1,590 | −86 | 9.5% |
| ATRIO Health Plans | 497 | −1,687 | 3.0% |
| Elevance Health, Inc. | 185 | −23 | 1.1% |
| California Physicians' Service | 66 | 0 | 0.4% |
| Humana Inc. | 22 | −8 | 0.1% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 4,197 beneficiaries in Josephine County were assigned to 54 Medicare Shared Savings Program ACOs, 53.1% of assignable Original Medicare beneficiaries. Together, roughly 81% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.