Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Trailstone Dialysis LLC

Organization End-Stage Renal Disease (ESRD) Treatment Clinic/Center · NPI 1437538618

Trailstone Dialysis LLC is an End-Stage Renal Disease (ESRD) Treatment Clinic/Center in Ontario, California. Medicare rates this dialysis facility 3 out of 5. Registered with an NPI since 2015.

CMS rating
3 of 5
In the registry since
2015
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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CMS quality rating

3 out of 5 — official dialysis facility rating from CMS Care Compare (CCN 552815)

Practice location Address checks out

2403 S Vineyard Ave Ste D
Ontario, CA 91761-6471
Phone: (909) 923-3850
Fax: (909) 923-8568
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

End-Stage Renal Disease (ESRD) Treatment Clinic/Center (primary) Taxonomy 261QE0700X

Record details

NPI number1437538618
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Sam Wey — Vp Licensure&Certification · (615) 341-6691
Other names Ontario Mills Dialysis
NPI enumeratedMay 21, 2015
Last updated in NPPESSeptember 4, 2025
Certification dateSeptember 4, 2025
Mailing address5200 Virginia Way, L&C Dept, Brentwood, TN 37027-7569

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