MARI ANGELA DIAZ
NPI 1588210223
Social Worker in Fresno, CA

Q: What is Mari Diaz's NPI number?

The NPI number for Mari Diaz is 1588210223. It was assigned to this individual provider in the NPPES registry on August 16, 2019.

Q: What is Mari Diaz's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Q: When was this NPI record last updated?

The NPPES record for Mari Diaz was last updated on March 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 August 16, 2019

6051 N FRESNO ST STE 101, FRESNO, CA 93710(559) 365-0931 Get Directions Write a Review

NPPES record last updated: March 14, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 14, 2026, Mar 4, 2026, Sep 9, 2025 and 7 more (10 updates tracked since 2019).

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About Mari Angela Diaz NPPES

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

MARI ANGELA DIAZ (NPI 1588210223) is an individual social worker in Fresno, California, licensed in California (120279) and active in the NPI registry since August 2019. She maintains 2 additional practice locations.

NPPES Registry Identity

NPI1588210223

Entity TypeIndividualFemale

Primary Taxonomy104100000X

Provider Legal NameMARI ANGELA DIAZ

Location Address6051 N FRESNO ST STE 101Fresno, CA 93710-5280

Mailing Address1396 W Herndon AveFresno, CA 93711-7126 · (559) 558-4051

Phone(559) 365-0931

Sole ProprietorNo

Enumeration DateAugust 16, 2019

Last NPPES UpdateMarch 14, 202610 updates tracked since enumeration

NPPES CertifiedMarch 14, 2026

✔ NPI 1588210223 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers

Taxonomy Code104100000X

License✔ Licensed in CA · 120279

Definition

A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

6051 N FRESNO ST STE 101, Fresno, CA 93710

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Secondary Practice Locations 2

Location 11396 W Herndon AveFresno, CA 93711-7126 · Phone (559) 256-0100

Location 21410 F StFresno, CA 93706-1608 · Phone (559) 365-0931

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 Mari Diaz's NPI number?

The NPI number for Mari Diaz is 1588210223. It was assigned to this individual provider in the NPPES registry on August 16, 2019.

Where is Mari Diaz located?

Mari Diaz practices at 6051 N Fresno St Ste 101, Fresno, CA 93710. The listed phone number is (559) 365-0931.

What is Mari Diaz's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Mari Diaz was last updated on March 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.