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CALIFORNIA KIDNEY SPECIALISTS
NPI 1760497457
Internal Medicine - Nephrology in San Dimas, CA

Active since July 30, 2006
1335 W CYPRESS AVE, SAN DIMAS, CA 91773(909) 542-2770(909) 394-1800 Get Directions Write a Review

NPPES record last updated: March 16, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About California Kidney Specialists NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CALIFORNIA KIDNEY SPECIALISTS (NPI 1760497457) is a healthcare organization registered as a nephrology in San Dimas, California and active in the NPI registry since July 2006. The organization lists Roya Tahmassebi, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1760497457
Entity TypeOrganization
Primary Taxonomy207RN0300X
Legal Business NameCALIFORNIA KIDNEY SPECIALISTS
Location Address1335 W CYPRESS AVESan Dimas, CA 91773-3537
Mailing Address1335 W Cypress AveSan Dimas, CA 91773-3537 · (909) 542-2770 · Fax (909) 394-1800
Phone(909) 542-2770
Fax(909) 394-1800
Organization SubpartNo
Authorized OfficialRoya TahmassebiOffice Manager · (909) 542-2770
Enumeration DateJuly 30, 2006
Last NPPES UpdateMarch 16, 2012
✔ NPI 1760497457 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Also ListedInternal MedicineTaxonomy 207R00000X
1335 W CYPRESS AVE, San Dimas, CA 91773
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D1057202

California Kidney Specialists · San Dimas, CA
Expired · Aug 3, 2026
CLIA Number05D1057202
Laboratory TypePhysician Office
Certificate Effective DateAugust 4, 2024
Certificate Expiration DateAugust 3, 2026
Laboratory DirectorSyed A. Rizvi, MD
Laboratory Phone(909) 542-2777
Laboratory LocationCalifornia Kidney Specialists1335 Cypress Street, #205, San Dimas, CA 91773
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

COVINA HILLS SPORTS MEDICINE INC
Physical Therapist
1335 W CYPRESS AVE, SUITE 100
SAN DIMAS, CA 91773
Los Angeles County (909) 305-1383
CLAUDIO H GALLEGO M.D.
Internal Medicine (Nephrology)
1335 W CYPRESS AVE, SUITE # 205
SAN DIMAS, CA 91773
Los Angeles County (909) 542-2770
SAN DIMAS DIALYSIS CENTER A MEDICAL CORPORATION
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
1335 W CYPRESS AVE, SUITE 102
SAN DIMAS, CA 91773
Los Angeles County (909) 542-2900
MR. CHRISTOPHER SCOTT PATTERSON D.P.T.
Physical Therapist
1335 W CYPRESS AVE, SUITE 100
SAN DIMAS, CA 91773
Los Angeles County (909) 305-1383
MICHAEL HIEN BIEN M.D.
Internal Medicine (Nephrology)
1335 W CYPRESS AVE, SUITE # 205
SAN DIMAS, CA 91773
Los Angeles County (909) 542-2770
MARK ALLEN BAKER D.P.T., O.C.S.
Physical Therapist
1335 W CYPRESS AVE, SUITE 100
SAN DIMAS, CA 91773
Los Angeles County (909) 305-1383
MOJTABA MOGHADAM I M.D.
Internal Medicine (Nephrology)
1335 W CYPRESS AVE, SUITE # 205
SAN DIMAS, CA 91773
Los Angeles County (909) 542-2770

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is California Kidney Specialists's NPI number?

The NPI number for California Kidney Specialists is 1760497457. It was assigned to this organization in the NPPES registry on July 30, 2006.

Where is California Kidney Specialists located?

California Kidney Specialists is located at 1335 W Cypress Ave, San Dimas, CA 91773. The listed phone number is (909) 542-2770.

What is California Kidney Specialists's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

When was this NPI record last updated?

The NPPES record for California Kidney Specialists was last updated on March 16, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.