1. Home
  2. Directory
  3. Washington
  4. Yakima
  5. Pathology
  6. NPI Profile

JOHN W. ONSTAD
NPI 1174606107
Pathology - Anatomic Pathology & Clinical Pathology in Yakima, WA

Active since October 23, 2006
401 S 12TH AVE, YAKIMA, WA 98902(509) 248-1831(509) 452-6911 Get Directions Write a Review

NPPES record last updated: March 23, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About John W. Onstad NPPES

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

JOHN W. ONSTAD (NPI 1174606107) is an individual anatomic pathology & clinical pathology provider in Yakima, Washington, licensed in Washington (MD00014553) and active in the NPI registry since October 2006.

NPPES Registry Identity

NPI1174606107
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameJOHN W. ONSTAD
Location Address401 S 12TH AVEYakima, WA 98902-3142
Mailing Address401 S 12th AveYakima, WA 98902-3142 · (509) 248-1831 · Fax (509) 452-6911
Phone(509) 248-1831
Fax(509) 452-6911
Sole ProprietorYes
Enumeration DateOctober 23, 2006
Last NPPES UpdateMarch 23, 2010
✔ NPI 1174606107 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License✔ Licensed in WA · MD00014553
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.
Also ListedPathology · CytopathologyTaxonomy 207ZC0500X · License MD00014553 (WA)
401 S 12TH AVE, Yakima, WA 98902
Open in Google Maps ↗

Other Identifiers 3

Medicare UPIND33934WA
Medicaid8173700WA
Medicare ID-Type Unspecified000199203WA

Other Providers at the Same Location NPPES 6

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

LAURA CANTERBURY
Pathology (Anatomic Pathology & Clinical Pathology)
401 S 12TH AVE
YAKIMA, WA 98902
Yakima County (509) 248-1861
DR. STEPHEN DRUMHELLER MUEHLECK M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
401 S 12TH AVE
YAKIMA, WA 98902
Yakima County (509) 248-1831
RACHEL ROSE HANSON HALL
Counselor
401 S 12TH AVE
YAKIMA, WA 98902
Yakima County (509) 208-9838
MEDICAL CENTER LABORATORY, INC. PS
Specialist/Technologist, Pathology
401 S 12TH AVE
YAKIMA, WA 98902
Yakima County (509) 248-1831
SOLEDAD ZINTZUN
Social Worker
401 S 12TH AVE
YAKIMA, WA 98902
Yakima County (509) 676-5915
ALYSSA MORIAH AGUILERA CG61259456
Social Worker
401 S 12TH AVE
YAKIMA, WA 98902
Yakima County (509) 864-1413

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 John Onstad's NPI number?

The NPI number for John Onstad is 1174606107. It was assigned to this individual provider in the NPPES registry on October 23, 2006.

Where is John Onstad located?

John Onstad practices at 401 S 12th Ave, Yakima, WA 98902. The listed phone number is (509) 248-1831.

What is John Onstad's specialty?

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

When was this NPI record last updated?

The NPPES record for John Onstad was last updated on March 23, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.