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WESTERN PATHOLOGY ASSOCIATES, LTD.
NPI 1942316161
Pathology - Anatomic Pathology & Clinical Pathology in Phoenix, AZ

Active since August 21, 2006CLIA Certified · 3 labs
9250 N. 3RD ST, SUITE 4000, PHOENIX, AZ 85020(602) 633-3800(602) 861-3500 Get Directions Write a Review

NPPES record last updated: November 12, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 12, 2025, Feb 23, 2022 (2 updates tracked since 2022).

About Western Pathology Associates, Ltd. NPPES

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

WESTERN PATHOLOGY ASSOCIATES, LTD. (NPI 1942316161) is a healthcare organization registered as an anatomic pathology & clinical pathology in Phoenix, Arizona and active in the NPI registry since August 2006. The organization holds 3 active CLIA laboratory certificates and lists Christopher John Stasik, Ceo Pathologist, as its authorized official.

NPPES Registry Identity

NPI1942316161
Entity TypeOrganization
Primary Taxonomy207ZP0102X
Legal Business NameWESTERN PATHOLOGY ASSOCIATES, LTD.
Location Address9250 N. 3RD ST, SUITE 4000Phoenix, AZ 85020
Mailing Address9250 N 3rd St Ste 4000Phoenix, AZ 85020-2432 · (602) 633-3800 · Fax (602) 861-3500
Phone(602) 633-3800
Fax(602) 861-3500
Organization SubpartNo
Authorized OfficialChristopher John StasikCeo Pathologist · (602) 633-3800
Enumeration DateAugust 21, 2006
Last NPPES UpdateNovember 12, 20252 updates tracked since enumeration
NPPES CertifiedNovember 12, 2025
✔ NPI 1942316161 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License✔ Licensed in AZ · 29993
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.
9250 N. 3RD ST, Phoenix, AZ 85020
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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

CLIA Laboratory Certificates CMS CLIA 3

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 Accreditation 03D1095734

Western Pathology Associates LLC · Phoenix, AZ
Active · expires Jun 2, 2027
CLIA Number03D1095734
Laboratory TypeIndependent
Certificate Effective DateJune 3, 2025
Certificate Expiration DateJune 2, 2027
Laboratory DirectorDr. Christopher J. Stasik
Laboratory Phone(602) 633-3800
Laboratory LocationWestern Pathology Associates LLC9250 N 3rd St Suite 3000, Phoenix, AZ 85020
CLIA data matches this NPI record on: Address Name Phone
This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

Certificate of Accreditation 03D2158422

Western Pathology Associates-Hh Deer Valley · Phoenix, AZ
Active · expires Mar 24, 2028
CLIA Number03D2158422
Laboratory TypeSurgical Pathology
Certificate Effective DateMarch 25, 2026
Certificate Expiration DateMarch 24, 2028
Laboratory DirectorDr. Donald O. Christensen
Laboratory Phone(602) 633-3800
Laboratory LocationWestern Pathology Associates-Hh Deer Valley19289 N 27th Ave, Phoenix, AZ 85027
CLIA data matches this NPI record on: Name Phone
This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

Certificate of Accreditation 03D2158425

Western Pathology Associates - Hh Jcl · Phoenix, AZ
Active · expires Mar 10, 2028
CLIA Number03D2158425
Laboratory TypeSurgical Pathology
Certificate Effective DateMarch 11, 2026
Certificate Expiration DateMarch 10, 2028
Laboratory DirectorDr. Donald O. Christensen
Laboratory Phone(602) 633-3800
Laboratory LocationWestern Pathology Associates - Hh Jcl250 E Dunlap Ave, Phoenix, AZ 85020
CLIA data matches this NPI record on: Name Phone
This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

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 Western Pathology Associates, Ltd.'s NPI number?

The NPI number for Western Pathology Associates, Ltd. is 1942316161. It was assigned to this organization in the NPPES registry on August 21, 2006.

Where is Western Pathology Associates, Ltd. located?

Western Pathology Associates, Ltd. is located at 9250 N. 3rd St Suite 4000, Phoenix, AZ 85020. The listed phone number is (602) 633-3800.

What is Western Pathology Associates, Ltd.'s specialty?

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

Does Western Pathology Associates, Ltd. hold CLIA laboratory certificates?

Yes. 3 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Western Pathology Associates, Ltd. was last updated on November 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.