LESLIE KAROLINA ARRIAZA
NPI 1154295129
Social Worker - School in Fullerton, CA

Q: What is Leslie Arriaza's NPI number?

The NPI number for Leslie Arriaza is 1154295129. It was assigned to this individual provider in the NPPES registry on October 2, 2025.

Q: What is Leslie Arriaza's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in School, with taxonomy code 1041S0200X.

Q: When was this NPI record last updated?

The NPPES record for Leslie Arriaza was last updated on October 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since October 02, 2025

1501 W VALENCIA DR, FULLERTON, CA 92833(714) 447-7735 Get Directions Write a Review

NPPES record last updated: October 24, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Leslie Karolina Arriaza NPPES

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

LESLIE KAROLINA ARRIAZA (NPI 1154295129) is an individual school provider in Fullerton, California and active in the NPI registry since October 2025.

NPPES Registry Identity

NPI1154295129

Entity TypeIndividualFemale

Primary Taxonomy1041S0200X

Provider Legal NameLESLIE KAROLINA ARRIAZA

Location Address1501 W VALENCIA DRFullerton, CA 92833-3940

Mailing Address11437 Hutton RdCorona, CA 92883-4703

Phone(714) 447-7735

Sole ProprietorNo

Enumeration DateOctober 2, 2025

Last NPPES UpdateOctober 24, 2025

NPPES CertifiedOctober 2, 2025

✔ NPI 1154295129 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · SchoolBehavioral Health & Social Service Providers

Taxonomy Code1041S0200X

1501 W VALENCIA DR, Fullerton, CA 92833

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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 Leslie Arriaza's NPI number?

The NPI number for Leslie Arriaza is 1154295129. It was assigned to this individual provider in the NPPES registry on October 2, 2025.

Where is Leslie Arriaza located?

Leslie Arriaza practices at 1501 W Valencia Dr, Fullerton, CA 92833. The listed phone number is (714) 447-7735.

What is Leslie Arriaza's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in School, with taxonomy code 1041S0200X.

When was this NPI record last updated?

The NPPES record for Leslie Arriaza was last updated on October 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.