DIANA TOM
NPI 1598649774
Registered Nurse - School in Hayward, CA

Active since August 01, 2025
313 W WINTON AVE, HAYWARD, CA 94544(510) 670-1861 Get Directions Write a Review

NPPES record last updated: November 14, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Diana Tom NPPES

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

DIANA TOM (NPI 1598649774) is an individual school provider in Hayward, California, licensed in California (95118486) and active in the NPI registry since August 2025.

NPPES Registry Identity

NPI1598649774
Entity TypeIndividualFemale
Primary Taxonomy163WS0200X
Provider Legal NameDIANA TOM
Location Address313 W WINTON AVEHayward, CA 94544-1136
Mailing Address313 W Winton AveHayward, CA 94544-1136 · (510) 670-1861
Sole ProprietorNo
Enumeration DateAugust 1, 2025
Last NPPES UpdateNovember 14, 2025
NPPES CertifiedNovember 14, 2025
NPI 1598649774 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyRegistered Nurse · SchoolNursing Service Providers
Taxonomy Code163WS0200X
License Licensed in CA · 95118486
Also ListedRegistered Nurse · AdministratorTaxonomy 163WA2000X · License 95118486 (CA)
313 W WINTON AVE, Hayward, CA 94544

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.

Local Education Agency (LEA)
313 W WINTON AVE
HAYWARD, CA 94544
Psychologist (School)
313 W WINTON AVE
HAYWARD, CA 94544
Psychologist (School)
313 W WINTON AVE
HAYWARD, CA 94544
Counselor (School)
313 W WINTON AVE
HAYWARD, CA 94544
Community Health Worker
313 W WINTON AVE
HAYWARD, CA 94544
Social Worker (Clinical)
313 W WINTON AVE
HAYWARD, CA 94544
Social Worker (School)
313 W WINTON AVE
HAYWARD, CA 94544
Social Worker (School)
313 W WINTON AVE
HAYWARD, CA 94544

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 Diana Tom's NPI number?

The NPI number for Diana Tom is 1598649774. It was assigned to this individual provider in the NPPES registry on August 1, 2025.

Where is Diana Tom located?

Diana Tom practices at 313 W Winton Ave, Hayward, CA 94544. The listed phone number is (510) 670-1861.

What is Diana Tom's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in School, with taxonomy code 163WS0200X.

When was this NPI record last updated?

The NPPES record for Diana Tom was last updated on November 14, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.