WEST DIAGNOSTICS L L C
NPI 1831989458
Clinical Medical Laboratory in Irvine, CA

Active since May 07, 2025CLIA 05D2324840 · Certificate of Compliance
3972M BARRANCA PKWY UNIT M, IRVINE, CA 92606(310) 962-9523 Get Directions Write a Review

NPPES record last updated: August 1, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About West Diagnostics L L C NPPES

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

WEST DIAGNOSTICS L L C (NPI 1831989458), doing business as Barranca Laboratory, is a healthcare organization registered as a clinical medical laboratory in Irvine, California and active in the NPI registry since May 2025. The organization holds a CLIA Certificate of Compliance certificate valid through June 1, 2027 and lists Saed Rahmat Sadeghi, Managing Member, as its authorized official.

NPPES Registry Identity

NPI1831989458
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameWEST DIAGNOSTICS L L C
Location Address3972M BARRANCA PKWY UNIT MIrvine, CA 92606-8238
Mailing Address219 IsabellaIrvine, CA 92602-0312 · (310) 962-9523
Organization SubpartYesParent: West Diagnostics Llc
Authorized OfficialSaed Rahmat SadeghiManaging Member · (310) 962-9523
Enumeration DateMay 7, 2025
Last NPPES UpdateAugust 1, 2025
NPPES CertifiedJuly 31, 2025
NPI 1831989458 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyClinical Medical LaboratoryLaboratories
Taxonomy Code291U00000X
Definition
(1) A clinical laboratory is a facility for the biological, microbiological, serological, chemical, immunohematological, hematological, biophysical, cytological, pathological, or other examination of materials derived from the human body for the purpose of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, human beings. These examinations also include procedures to determine, measure, or otherwise describe the presence or absence of various substances or organisms in the body. Facilities only collecting or preparing specimens (or both) or only serving as a mailing service and not performing testing are not considered clinical laboratories. (2) Any facility that examines materials from the human body for purposes of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, or the assessment of, the health of human beings. Typical divisions of a clinical laboratory include hematology, cytology, bacteriology, histology, biochemistry, medical toxicology, and serology.
3972M BARRANCA PKWY UNIT M, Irvine, CA 92606

Other Names 1

Doing Business AsBarranca Laboratory

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 Compliance 05D2324840

West Diagnostics LLC · Irvine, CA
Active · expires Jun 1, 2027
CLIA Number05D2324840
Laboratory TypeIndependent
Certificate Effective DateJune 2, 2025
Certificate Expiration DateJune 1, 2027
Laboratory DirectorJaifan Liu
Laboratory Phone(281) 848-8417
Laboratory LocationWest Diagnostics LLC3972 Barranca Pkwy Ste M, Irvine, CA 92606
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Other Providers at the Same Location NPPES

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

Clinic/Center (Urgent Care)
3972M BARRANCA PKWY UNIT M
IRVINE, CA 92606

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 West Diagnostics L L C's NPI number?

The NPI number for West Diagnostics L L C is 1831989458. It was assigned to this organization in the NPPES registry on May 7, 2025. The provider is doing business as Barranca Laboratory.

Where is West Diagnostics L L C located?

West Diagnostics L L C is located at 3972M Barranca Pkwy Unit M, Irvine, CA 92606. The listed phone number is (310) 962-9523.

What is West Diagnostics L L C's specialty?

The primary specialty registered for this NPI is Clinical Medical Laboratory with taxonomy code 291U00000X.

Does West Diagnostics L L C hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 05D2324840) is associated with this NPI, valid through June 1, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for West Diagnostics L L C was last updated on August 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.