Medicare Advantage in Asotin County, Washington
1,833 people in Asotin County, Washington were enrolled in Medicare Advantage in October 2026, 26.1% of 7,019 eligible beneficiaries (−3.4 pts since October 2025). Centene Corporation is the largest parent organization with 64% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 4,757 (highly concentrated). For 2027, 1,067 members here are in plans that terminate or leave the county. MA plans offered go from 3 to 5.
Parent organizations in Asotin County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Centene Corporation | 1,131 | −215 | 63.6% |
| UnitedHealth Group, Inc. | 460 | −21 | 25.9% |
| Molina Healthcare, Inc. | 113 | +18 | 6.4% |
| Humana Inc. | 34 | −14 | 1.9% |
| CVS Health Corporation | 29 | −4 | 1.6% |
| Cambia Health Solutions, Inc. | 12 | new | 0.7% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 2,592 beneficiaries in Asotin County were assigned to 26 Medicare Shared Savings Program ACOs, 76.8% 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.