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MR. EFRAIN MARQUEZ SR.
NPI 1083989636
Social Worker - Clinical in Gardena, CA

Active since March 15, 2012
15519 CRENSHAW BLVD, GARDENA, CA 90249(310) 679-9126 Get Directions Write a Review

NPPES record last updated: May 27, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 27, 2025, Jul 12, 2019 (2 updates tracked since 2019).

About Mr. Efrain Marquez Sr. NPPES

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

MR. EFRAIN MARQUEZ SR. (NPI 1083989636) is an individual clinical provider in Gardena, California, licensed in California (85607) and active in the NPI registry since March 2012.

NPPES Registry Identity

NPI1083989636
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. EFRAIN MARQUEZ SR.
Location Address15519 CRENSHAW BLVDGardena, CA 90249-4525
Mailing Address15519 Crenshaw BlvdGardena, CA 90249-4525 · (310) 679-9126
Phone(310) 679-9126
Sole ProprietorNo
Enumeration DateMarch 15, 2012
Last NPPES UpdateMay 27, 20252 updates tracked since enumeration
NPPES CertifiedMay 27, 2025
✔ NPI 1083989636 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · 85607
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.
15519 CRENSHAW BLVD, Gardena, CA 90249
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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.

DEANDRE DICKERSON
Peer Specialist
15519 CRENSHAW BLVD
GARDENA, CA 90249
Los Angeles County (310) 679-2730
MS. CELIA MARIE ARAGON
Counselor (Addiction (Substance Use Disorder))
15519 CRENSHAW BLVD
GARDENA, CA 90249
Los Angeles County (310) 679-9126
KERI LI LAWRENCE
Social Worker
15519 CRENSHAW BLVD
GARDENA, CA 90249
Los Angeles County (310) 679-9126
CHERISE STEPHENS
Counselor (Addiction (Substance Use Disorder))
15519 CRENSHAW BLVD
GARDENA, CA 90249
Los Angeles County (310) 679-9126
REGINA LORRAINE SANCHEZ SUDRC21439
Counselor (Addiction (Substance Use Disorder))
15519 CRENSHAW BLVD
GARDENA, CA 90249
Los Angeles County (310) 679-9031
KERRY DEENEY
Social Worker (Clinical)
15519 CRENSHAW BLVD
GARDENA, CA 90249
Los Angeles County (310) 363-3661
ADRIANA PASCACIO
Counselor (Addiction (Substance Use Disorder))
15519 CRENSHAW BLVD
GARDENA, CA 90249
Los Angeles County (310) 679-9126
CRYSTAL LYNN MCGHEE
Counselor (Addiction (Substance Use Disorder))
15519 CRENSHAW BLVD
GARDENA, CA 90249
Los Angeles County (562) 218-8387

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 Efrain Marquez's NPI number?

The NPI number for Efrain Marquez is 1083989636. It was assigned to this individual provider in the NPPES registry on March 15, 2012.

Where is Efrain Marquez located?

Efrain Marquez practices at 15519 Crenshaw Blvd, Gardena, CA 90249. The listed phone number is (310) 679-9126.

What is Efrain Marquez'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 Efrain Marquez was last updated on May 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.