Medicare Advantage in Alpine County, California
37 people in Alpine County, California were enrolled in Medicare Advantage in October 2026, 13.0% of 284 eligible beneficiaries (−0.5 pts since October 2025). Humana Inc. is the largest parent organization with 100% of reported enrollment; 1 parent organizations have 11 or more members and the HHI is 10,000 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 0 members here are in plans that terminate or leave the county. MA plans offered go from 2 to 2.
Parent organizations in Alpine County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 16 | +5 | 100.0% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 86 beneficiaries in Alpine County were assigned to 10 Medicare Shared Savings Program ACOs, 57.9% 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.