Medicare Advantage in Kern County, California
65,071 people in Kern County, California were enrolled in Medicare Advantage in October 2026, 47.5% of 137,078 eligible beneficiaries (−0.1 pts since October 2025). Kaiser Foundation Health Plan, Inc. is the largest parent organization with 32% of reported enrollment; 15 parent organizations have 11 or more members and the HHI is 1,818 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 1,799 members here are in plans that terminate or leave the county, and Molina Healthcare, Inc., SCAN Group, Local Initiative Health Authority for LA County leave. MA plans offered go from 20 to 21.
Parent organizations in Kern County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Kaiser Foundation Health Plan, Inc. | 20,924 | +797 | 32.3% |
| Elevance Health, Inc. | 14,373 | +924 | 22.2% |
| Humana Inc. | 6,075 | −41 | 9.4% |
| UnitedHealth Group, Inc. | 5,886 | +2 | 9.1% |
| Imperial Health Plan of California | 4,551 | +2,570 | 7.0% |
| Centene Corporation | 2,796 | −1,966 | 4.3% |
| CVS Health Corporation | 2,778 | −3,028 | 4.3% |
| Champion Health Plans-USA, LLC. | 2,015 | new | 3.1% |
| California Physicians' Service | 1,782 | −162 | 2.7% |
| Molina Healthcare, Inc. | 1,663 | −1,140 | 2.6% |
| Kern Health Systems (KHS) | 1,427 | new | 2.2% |
| Innovative Integrated Health, Inc. | 450 | +32 | 0.7% |
| SCAN Group | 97 | +34 | 0.1% |
| Alignment Healthcare USA, LLC | 13 | 0 | under 0.1% |
| Local Initiative Health Authority for LA County | 12 | −1 | 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, 14,470 beneficiaries in Kern County were assigned to 121 Medicare Shared Savings Program ACOs, 30.1% of assignable Original Medicare beneficiaries. Together, roughly 63% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.