Medicare Advantage in Klickitat County, Washington
740 people in Klickitat County, Washington were enrolled in Medicare Advantage in October 2026, 10.2% of 7,228 eligible beneficiaries (+0.7 pts since October 2025). Humana Inc. is the largest parent organization with 45% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 2,765 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 59 members here are in plans that terminate or leave the county, and Elevance Health, Inc. leaves. MA plans offered go from 3 to 3.
Parent organizations in Klickitat County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 317 | +291 | 45.1% |
| UnitedHealth Group, Inc. | 151 | +1 | 21.5% |
| Molina Healthcare, Inc. | 94 | −6 | 13.4% |
| CVS Health Corporation | 41 | +2 | 5.8% |
| Elevance Health, Inc. | 39 | +23 | 5.5% |
| Cambia Health Solutions, Inc. | 27 | −9 | 3.8% |
| Centene Corporation | 19 | −230 | 2.7% |
| Community Health Plan of Washington | 15 | +1 | 2.1% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 2,333 beneficiaries in Klickitat County were assigned to 38 Medicare Shared Savings Program ACOs, 48.5% 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.