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MR. JONATHAN ALEXANDRO MARTINEZ
NPI 1437544368
Social Worker - Clinical in Los Angeles, CA

Active since March 30, 2015
1721 GRIFFIN AVE, LOS ANGELES, CA 90031(323) 221-4134 Get Directions Write a Review

NPPES record last updated: May 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 13, 2026, May 8, 2026, Sep 13, 2022 and 1 more (4 updates tracked since 2016).

About Mr. Jonathan Alexandro Martinez NPPES

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

MR. JONATHAN ALEXANDRO MARTINEZ (NPI 1437544368) is an individual clinical provider in Los Angeles, California, licensed in California (137846) and active in the NPI registry since March 2015.

NPPES Registry Identity

NPI1437544368
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. JONATHAN ALEXANDRO MARTINEZ
Location Address1721 GRIFFIN AVELos Angeles, CA 90031
Mailing Address1721 Griffin AveLos Angeles, CA 90031-3312 · (323) 221-4134
Phone(323) 221-4134
Sole ProprietorNo
Enumeration DateMarch 30, 2015
Last NPPES UpdateMay 13, 20264 updates tracked since enumeration
NPPES CertifiedMay 13, 2026
✔ NPI 1437544368 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Licenses✔ Licensed in CA · 137846✔ Licensed in CA · 109627
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License 109627 (CA)
Also ListedCase Manager/Care CoordinatorTaxonomy 171M00000X
1721 GRIFFIN AVE, Los Angeles, CA 90031
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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.

DAISY SALAZAR
Case Manager/Care Coordinator
1721 GRIFFIN AVE
LOS ANGELES, CA 90031
Los Angeles County (323) 810-1034
KAIRI CHEN
Student in an Organized Health Care Education/Training Program
1721 GRIFFIN AVE
LOS ANGELES, CA 90031
Los Angeles County (323) 221-4134
JOANNE S NEWFIELD
Marriage & Family Therapist
1721 GRIFFIN AVE
LOS ANGELES, CA 90031
Los Angeles County (323) 221-4134
JESSICA L BUCK
Case Manager/Care Coordinator
1721 GRIFFIN AVE
LOS ANGELES, CA 90031
Los Angeles County (323) 221-4134
HRESANTHE PREZAS-PERETZ
Marriage & Family Therapist
1721 GRIFFIN AVE
LOS ANGELES, CA 90031
Los Angeles County (323) 221-4134
ROBIN SAX
Social Worker (Clinical)
1721 GRIFFIN AVE
LOS ANGELES, CA 90031
Los Angeles County (323) 221-4134
MISS CLAUDIA SALAZAR
Rehabilitation Practitioner
1721 GRIFFIN AVE
LOS ANGELES, CA 90031
Los Angeles County (323) 221-4134
SANDRA GUADALUPE MARTINEZ REYES
Student in an Organized Health Care Education/Training Program
1721 GRIFFIN AVE
LOS ANGELES, CA 90031
Los Angeles County (323) 221-4134

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 Jonathan Martinez's NPI number?

The NPI number for Jonathan Martinez is 1437544368. It was assigned to this individual provider in the NPPES registry on March 30, 2015.

Where is Jonathan Martinez located?

Jonathan Martinez practices at 1721 Griffin Ave, Los Angeles, CA 90031. The listed phone number is (323) 221-4134.

What is Jonathan Martinez's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Jonathan Martinez was last updated on May 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.