As of the October 2026 CMS release, Arizona has 123 Medicare-certified dialysis centers in 50 cities. 119 have a cms star rating, averaging 2.7 stars, about the same as the U.S. average of 2.8. Phoenix has the most (25).
By cms star rating.
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Arizona has 123 Medicare-certified dialysis centers. The cities with the most are Phoenix (25), Tucson (16), Glendale (7), Mesa (7), Scottsdale (4).
3 dialysis centers have 5 stars: 032544 Lake Havasu Dialysis (FMC) (Lake Havasu City), 032648-FMC Old Town Scottsdale (Scottsdale), 032653-Fresenius Kidney Care Westgate Home (Glendale).
13% of rated dialysis centers in Arizona have 4 or 5 stars, against 23% nationally. The average rating is 2.7 stars (U.S. 2.8).
Look at the star rating and at the outcome verdicts, then at practical things: distance (most patients go three times a week), whether the center has an evening shift if you work, and whether it offers training for home dialysis if you might want it later. Visit, and ask how many patients each nurse looks after.
Source: CMS Dialysis Facility Compare (Provider Data Catalog dataset 23ew-n7w9). October 2026 release. About the data.