Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MATTHEW ARELLANO BA, MS, BCBA
NPI 1043719099
Behavior Analyst in Gardena, CA

Q: What is Matthew Arellano's NPI number?

The NPI number for Matthew Arellano is 1043719099. It was assigned to this individual provider in the NPPES registry on February 6, 2018.

Q: What is Matthew Arellano's specialty?

The primary specialty registered for this NPI is Behavior Analyst with taxonomy code 103K00000X.

Q: When was this NPI record last updated?

The NPPES record for Matthew Arellano was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 43 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.

Active since February 06, 2018

1225 W 190TH ST STE 250, GARDENA, CA 90248(310) 878-3949 Get Directions Write a Review

NPPES record last updated: June 30, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Matthew Arellano Ba, Ms, Bcba NPPES

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

MATTHEW ARELLANO BA, MS, BCBA (NPI 1043719099) is an individual behavior analyst provider in Gardena, California, licensed in California (1-21-52817) and active in the NPI registry since February 2018. He maintains a secondary practice location in Torrance.

NPPES Registry Identity

NPI1043719099

Entity TypeIndividualMale

Primary Taxonomy103K00000X

Provider Legal NameMATTHEW ARELLANOCredential: BA, MS, BCBA

Location Address1225 W 190TH ST STE 250Gardena, CA 90248-4305

Mailing Address1225 W 190th St Ste 250Gardena, CA 90248-4305 · (310) 878-3949

Phone(310) 878-3949

Sole ProprietorNo

Enumeration DateFebruary 6, 2018

Last NPPES UpdateJune 30, 2026

NPPES CertifiedJune 30, 2026

✔ NPI 1043719099 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyBehavior AnalystBehavioral Health & Social Service Providers

Taxonomy Code103K00000X

License✔ Licensed in CA · 1-21-52817

Definition

A behavior analyst is qualified by at least a master's degree and Behavior Analyst Certification Board certification and/or a state-issued credential (such as a license) to practice behavior analysis independently. Behavior analysts provide the required supervision to assistant behavior analysts and behavior technicians. A behavior analyst delivers services consistent with the dimensions of applied behavior analysis. Common services may include, but are not limited to, conducting behavioral assessments, analyzing data, writing and revising behavior-analytic treatment plans, training others to implement components of treatment plans, and overseeing implementation of treatment plans.

Also ListedBehavior TechnicianTaxonomy 106S00000X · License 00003054 (CA)

1225 W 190TH ST STE 250, Gardena, CA 90248

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Secondary Practice Location 1

Location 123842 Hawthorne Blvd Ste 100&101Torrance, CA 90505-5929 · Phone (424) 999-2990

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.

ELIZABETH NIKKIA CHAVEZ

Behavior Technician