Medicare Advantage in Wahkiakum County, Washington
780 people in Wahkiakum County, Washington were enrolled in Medicare Advantage in October 2026, 45.5% of 1,715 eligible beneficiaries (+1.1 pts since October 2025). Kaiser Foundation Health Plan, Inc. is the largest parent organization with 48% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 3,064 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 71 members here are in plans that terminate or leave the county. MA plans offered go from 14 to 14.
Parent organizations in Wahkiakum County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Kaiser Foundation Health Plan, Inc. | 351 | −5 | 47.8% |
| Devoted Health, Inc. | 128 | +37 | 17.4% |
| Humana Inc. | 115 | +4 | 15.7% |
| UnitedHealth Group, Inc. | 105 | +5 | 14.3% |
| Centene Corporation | 35 | −16 | 4.8% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 104 beneficiaries in Wahkiakum County were assigned to 18 Medicare Shared Savings Program ACOs, 16.5% of assignable Original Medicare beneficiaries. Together, roughly 54% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.