Medicare Advantage in Stevens County, Washington
5,178 people in Stevens County, Washington were enrolled in Medicare Advantage in October 2026, 34.2% of 15,151 eligible beneficiaries (+0.2 pts since October 2025). Humana Inc. is the largest parent organization with 73% of reported enrollment; 9 parent organizations have 11 or more members and the HHI is 5,521 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 496 members here are in plans that terminate or leave the county. MA plans offered go from 6 to 4.
Parent organizations in Stevens County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 3,737 | +3,581 | 73.1% |
| Molina Healthcare, Inc. | 516 | −93 | 10.1% |
| UnitedHealth Group, Inc. | 305 | +5 | 6.0% |
| Centene Corporation | 290 | −1,373 | 5.7% |
| Community Health Plan of Washington | 138 | −107 | 2.7% |
| CVS Health Corporation | 74 | −1,880 | 1.4% |
| Elevance Health, Inc. | 23 | −1 | 0.4% |
| Cambia Health Solutions, Inc. | 18 | 0 | 0.4% |
| Kaiser Foundation Health Plan, Inc. | 12 | new | 0.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 3,383 beneficiaries in Stevens County were assigned to 53 Medicare Shared Savings Program ACOs, 51.9% of assignable Original Medicare beneficiaries. Together, roughly 68% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.