CMS Care Compare
Dialysis Centers in Ontario, CA
Sorted by the CMS five-star rating, highest first. Every number is from CMS Care Compare.
CMS lists 5 dialysis centers in Ontario, CA as of July 15, 2026.
5 have a CMS five-star rating; 0 have 5 stars and the average is 2.2. The table is sorted by that rating.
Source: CMS Care Compare dialysis facility data (Listing by Facility, 23ew-n7w9), as of July 15, 2026. Publisher page
License: a US government work, in the public domain (Public Domain Mark 1.0).
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Dialysis Centers in Ontario, CA, by CMS rating
| Dialysis center | CMS rating ↓ | Stations | Ownership |
|---|---|---|---|
| DaVita Ontario Mills Dialysis | 3 of 5 | 25 | Profit |
| Kaiser Foundation Hospital Medical Ctr.- Ontario | 3 of 5 | 3 | Non-profit |
| USRC Ontario | 3 of 5 | 18 | Profit |
| Ontario Dialysis, Inc. | 1 of 5 | 32 | Profit |
| Ontario Holt Dialysis Center, Inc. | 1 of 5 | 28 | Profit |
Source: CMS Care Compare dialysis facility data (Listing by Facility, 23ew-n7w9), as of July 15, 2026. Publisher page
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Questions
How many dialysis centers are in Ontario, CA?
CMS Care Compare lists 5 dialysis centers with a Ontario address as of July 15, 2026.
Which dialysis centers in Ontario have the highest CMS rating?
The highest CMS five-star rating in Ontario is 3 out of 5 (DaVita Ontario Mills Dialysis). That is the CMS rating, not a recommendation.
How is this list sorted?
By the CMS five-star rating, highest first, then by name. Dialysis Centers without a CMS rating come last. You can sort by any column.