Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MARIA MARTHA ALVAREZ ARRIAGA
NPI 1013826262
Social Worker - Clinical in Montebello, CA

Active since September 03, 2026
3124 W BEVERLY BLVD, MONTEBELLO, CA 90640(877) 462-7735 Get Directions Write a Review

NPPES record added: September 3, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Maria Martha Alvarez Arriaga NPPES

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

MARIA MARTHA ALVAREZ ARRIAGA (NPI 1013826262) is an individual clinical provider in Montebello, California, licensed in California (140828) and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1013826262
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMARIA MARTHA ALVAREZ ARRIAGA
Location Address3124 W BEVERLY BLVDMontebello, CA 90640-2217
Mailing Address234 S El Molino Ave Apt 14Pasadena, CA 91101-2957 · (424) 204-3930
Sole ProprietorYes
Enumeration DateSeptember 3, 2026
NPPES CertifiedSeptember 3, 2026
NPI 1013826262 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 · 140828
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.
3124 W BEVERLY BLVD, Montebello, CA 90640

Other Names 1

Professional Name (2)Mari Alvarez

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 Maria Alvarez Arriaga's NPI number?

The NPI number for Maria Alvarez Arriaga is 1013826262. It was assigned to this individual provider in the NPPES registry on September 3, 2026. The provider is also known as Mari Alvarez.

Where is Maria Alvarez Arriaga located?

Maria Alvarez Arriaga practices at 3124 W Beverly Blvd, Montebello, CA 90640. The listed phone number is (877) 462-7735.

What is Maria Alvarez Arriaga'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 Maria Alvarez Arriaga was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days 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.