WESTERN LABORATORY MEDICAL GROUP
NPI 1871555979
Pathology - Anatomic Pathology & Clinical Pathology in Hayward, CA

Q: What is Western Laboratories's NPI number?

The NPI number for Western Laboratories is 1871555979. It was assigned to this organization in the NPPES registry on April 4, 2006. The provider is doing business as Western Laboratory Medical Group.

Q: What is Western Laboratories's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Active since April 04, 2006

27200 CALAROGA AVE, HAYWARD, CA 94545(510) 264-4035 Get Directions Write a Review

NPPES record last updated: April 12, 2017. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Western Laboratory Medical Group NPPES

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

WESTERN LABORATORY MEDICAL GROUP (NPI 1871555979) is a healthcare organization registered as an anatomic pathology & clinical pathology in Hayward, California and active in the NPI registry since April 2006. The organization lists Elizabeth Treynor, Managing Partner, as its authorized official.

NPPES Registry Identity

NPI1871555979

Entity TypeOrganization

Primary Taxonomy207ZP0102X

Legal Business NameWESTERN LABORATORIES

Location Address27200 CALAROGA AVEHayward, CA 94545-4339

Mailing Address5700 Southwyck BlvdToledo, OH 43614-1509 · (800) 288-8325 · Fax (419) 866-5453

Phone(510) 264-4035

Organization SubpartNo

Authorized OfficialElizabeth TreynorManaging Partner · (510) 264-4035

Enumeration DateApril 4, 2006

Last NPPES UpdateApril 12, 2017

✔ NPI 1871555979 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

27200 CALAROGA AVE, Hayward, CA 94545

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Other Names 1

Doing Business AsWestern Laboratory Medical Group

Other Identifiers 2

MedicaidGR0014621CA

Medicare UPINZZZ91921ZCA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 20

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

JONAS CRUZ MASIKAT M.D

Internal Medicine