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

BRITTNEY MARI MAZZAGLIA LCSW
NPI 1952974271
Social Worker - Clinical in San Pedro, CA

Q: What is Brittney Mazzaglia's NPI number?

The NPI number for Brittney Mazzaglia is 1952974271. It was assigned to this individual provider in the NPPES registry on July 23, 2021.

Q: What is Brittney Mazzaglia's specialty?

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

Active since July 23, 2021

865 W 23RD ST APT 2, SAN PEDRO, CA 90731(310) 874-0465 Get Directions Write a Review

NPPES record last updated: August 27, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Aug 27, 2026, Jul 23, 2021 (2 updates tracked since 2021).

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About Brittney Mari Mazzaglia Lcsw NPPES

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

BRITTNEY MARI MAZZAGLIA LCSW (NPI 1952974271) is an individual clinical provider in San Pedro, California and active in the NPI registry since July 2021.

NPPES Registry Identity

NPI1952974271

Entity TypeIndividualFemale

Primary Taxonomy1041C0700X

Provider Legal NameBRITTNEY MARI MAZZAGLIACredential: LCSW

Location Address865 W 23RD ST APT 2San Pedro, CA 90731-6024

Mailing Address865 W 23rd St Apt 2San Pedro, CA 90731-6024 · (310) 874-0465

Phone(310) 874-0465

Sole ProprietorYes

Enumeration DateJuly 23, 2021

Last NPPES UpdateAugust 27, 20262 updates tracked since enumeration

NPPES CertifiedAugust 27, 2026

✔ NPI 1952974271 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code1041C0700X

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.

865 W 23RD ST APT 2, San Pedro, CA 90731

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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 Brittney Mazzaglia's NPI number?

The NPI number for Brittney Mazzaglia is 1952974271. It was assigned to this individual provider in the NPPES registry on July 23, 2021.

Where is Brittney Mazzaglia located?

Brittney Mazzaglia practices at 865 W 23rd St Apt 2, San Pedro, CA 90731. The listed phone number is (310) 874-0465.

What is Brittney Mazzaglia'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 Brittney Mazzaglia was last updated on August 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.