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

JUSTINE V WILLIAMS MSW, LCSW
NPI 1174831457
Social Worker - Clinical in Los Angeles, CA

Active since September 20, 2010
840 N AVENUE 66, LOS ANGELES, CA 90042(626) 395-7100 Get Directions Write a Review

NPPES record last updated: October 12, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 12, 2026, Jun 26, 2025, Mar 22, 2023 and 2 more (5 updates tracked since 2015).

About Justine V Williams Msw, Lcsw NPPES

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

JUSTINE V WILLIAMS MSW, LCSW (NPI 1174831457) is an individual clinical provider in Los Angeles, California, licensed in California (LCSW87463) and active in the NPI registry since September 2010.

NPPES Registry Identity

NPI1174831457
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameJUSTINE V WILLIAMSCredential: MSW, LCSW
Location Address840 N AVENUE 66Los Angeles, CA 90042-1508
Mailing Address840 N Avenue 66Los Angeles, CA 90042-1508 · (626) 395-7100
Sole ProprietorNo
Enumeration DateSeptember 20, 2010
Last NPPES UpdateOctober 12, 20265 updates tracked since enumeration
NPPES CertifiedOctober 12, 2026
✔ NPI 1174831457 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 · LCSW87463
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.
840 N AVENUE 66, Los Angeles, CA 90042

Other Names 1

Former Name (1)Jusitne V January

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.

Psychologist (Clinical)
840 N AVENUE 66
LOS ANGELES, CA 90042
Licensed Psychiatric Technician
840 N AVENUE 66
LOS ANGELES, CA 90042
Rehabilitation Practitioner
840 N AVENUE 66
LOS ANGELES, CA 90042
Marriage & Family Therapist
840 N AVENUE 66
LOS ANGELES, CA 90042
Peer Specialist
840 N AVENUE 66
LOS ANGELES, CA 90042
Social Worker (Clinical)
840 N AVENUE 66
LOS ANGELES, CA 90042
Social Worker (Clinical)
840 N AVENUE 66
LOS ANGELES, CA 90042
Licensed Psychiatric Technician
840 N AVENUE 66
LOS ANGELES, CA 90042

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 Justine Williams's NPI number?

The NPI number for Justine Williams is 1174831457. It was assigned to this individual provider in the NPPES registry on September 20, 2010. The provider is also known as Jusitne V January.

Where is Justine Williams located?

Justine Williams practices at 840 N Avenue 66, Los Angeles, CA 90042. The listed phone number is (626) 395-7100.

What is Justine Williams'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 Justine Williams was last updated on October 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.