Best Dialysis Centers in Washington
Compare 114 Medicare-certified dialysis centers in Washington by CMS five-star quality rating.
Dialysis Centers in Washington — by the numbers
Star-rating distribution — Washington
About 17.4% of Washington's population is aged 65 or older (1,379,589 residents), which shapes demand for dialysis centers. Source: U.S. Census Bureau.
Highest-rated in Washington
Dialysis Centers by city
By county
Adams County · Asotin County · Benton County · Chelan County · Clallam County · Clark County · Cowlitz County · Douglas County · Franklin County · Grant County · Grays Harbor County · Island County · Jefferson County · King County · Kitsap County · Kittitas County · Lewis County · Mason County · Okanogan County · Pierce County · San Juan County · Skagit County · Snohomish County · Spokane County · Stevens County · Thurston County · Walla Walla County · Whatcom County · Yakima County
How are these ratings calculated?
The CMS five-star quality rating comes from the Centers for Medicare & Medicaid Services. Read our plain-language explainer for dialysis centers to understand exactly what each star means — and what it does not.
Data as of June 20, 2026 · Source: CMS Provider Data Catalog.