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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. WILLIAM ARON WALKER MD
NPI 1639170343
Pathology - Anatomic Pathology & Clinical Pathology in Palm Springs, CA

Active since August 03, 2005
100 S SUNRISE WAY, #315, PALM SPRINGS, CA 92262(760) 320-4828 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. William Aron Walker Md NPPES

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

DR. WILLIAM ARON WALKER MD (NPI 1639170343) is an individual anatomic pathology & clinical pathology provider in Palm Springs, California, licensed in California (G23101) and active in the NPI registry since August 2005.

NPPES Registry Identity

NPI1639170343
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameDR. WILLIAM ARON WALKERCredential: MD
Location Address100 S SUNRISE WAY, #315Palm Springs, CA 92262-6778
Mailing Address100 S Sunrise Way, #315Palm Springs, CA 92262-6778 · (760) 320-4828
Phone(760) 320-4828
Sole ProprietorNo
Enumeration DateAugust 3, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1639170343 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 CA · G23101
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.
100 S SUNRISE WAY, Palm Springs, CA 92262
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Other Providers at the Same Location NPPES 2

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

QUALITY HOME HEALTH CARE SERVICES
Home Health
100 S SUNRISE WAY, #A-422
PALM SPRINGS, CA 92262
Riverside County (760) 660-5539
INLAND COMMUNITY MED GROUP
Emergency Medicine (Emergency Medical Services)
100 S SUNRISE WAY, STE A-775
PALM SPRINGS, CA 92262
Riverside County (760) 673-6843

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 William Walker's NPI number?

The NPI number for William Walker is 1639170343. It was assigned to this individual provider in the NPPES registry on August 3, 2005.

Where is William Walker located?

William Walker practices at 100 S Sunrise Way #315, Palm Springs, CA 92262. The listed phone number is (760) 320-4828.

What is William Walker'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 William Walker was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days 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.