Medicare Advantage in Jackson County, Oregon
30,742 people in Jackson County, Oregon were enrolled in Medicare Advantage in October 2026, 49.2% of 62,513 eligible beneficiaries (−0.1 pts since October 2025). Cambia Health Solutions, Inc. is the largest parent organization with 26% of reported enrollment; 14 parent organizations have 11 or more members and the HHI is 1,885 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 17,175 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 Jackson County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Cambia Health Solutions, Inc. | 7,927 | −150 | 25.9% |
| CVS Health Corporation | 6,890 | +3,815 | 22.5% |
| UnitedHealth Group, Inc. | 6,561 | +1,913 | 21.4% |
| ATRIO Health Plans | 3,312 | −4,010 | 10.8% |
| Centene Corporation | 2,973 | −801 | 9.7% |
| CareOregon, Inc. | 1,786 | −244 | 5.8% |
| AllCare Health, Inc. | 744 | −25 | 2.4% |
| Elevance Health, Inc. | 196 | −15 | 0.6% |
| California Physicians' Service | 98 | +10 | 0.3% |
| Humana Inc. | 69 | +17 | 0.2% |
| Marquis Companies I, Inc. | 39 | +11 | 0.1% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 20 | +3 | under 0.1% |
| Health Care Service Corporation | 17 | +1 | under 0.1% |
| Kaiser Foundation Health Plan, Inc. | 11 | −3 | under 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, 14,385 beneficiaries in Jackson County were assigned to 100 Medicare Shared Savings Program ACOs, 67.1% of assignable Original Medicare beneficiaries. Together, roughly 83% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.