Medicare Advantage in Yuba County, California
2,917 people in Yuba County, California were enrolled in Medicare Advantage in October 2026, 20.1% of 14,519 eligible beneficiaries (−3.7 pts since October 2025). Kaiser Foundation Health Plan, Inc. is the largest parent organization with 48% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 3,174 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 606 members here are in plans that terminate or leave the county. MA plans offered go from 4 to 4.
Parent organizations in Yuba County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Kaiser Foundation Health Plan, Inc. | 1,387 | +105 | 48.1% |
| Elevance Health, Inc. | 655 | −899 | 22.7% |
| Imperial Health Plan of California | 475 | +309 | 16.5% |
| UnitedHealth Group, Inc. | 216 | +13 | 7.5% |
| California Physicians' Service | 92 | +8 | 3.2% |
| CVS Health Corporation | 24 | +1 | 0.8% |
| Total Community Options, Inc. | 19 | new | 0.7% |
| SCAN Group | 13 | new | 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, 4,656 beneficiaries in Yuba County were assigned to 39 Medicare Shared Savings Program ACOs, 61.9% of assignable Original Medicare beneficiaries. Together, roughly 70% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.