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JOSEPH QUILLIN
NPI 1497539811
Social Worker - Clinical in Los Angeles, CA

Active since August 24, 2023
3701 OVERLAND AVE, LOS ANGELES, CA 90034(213) 437-3371 Get Directions Write a Review

NPPES record last updated: February 5, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 5, 2026, Apr 19, 2024, Aug 24, 2023 (3 updates tracked since 2023).

About Joseph Quillin NPPES

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

JOSEPH QUILLIN (NPI 1497539811) is an individual clinical provider in Los Angeles, California, licensed in California (132836) and active in the NPI registry since August 2023.

NPPES Registry Identity

NPI1497539811
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameJOSEPH QUILLIN
Location Address3701 OVERLAND AVELos Angeles, CA 90034-6344
Mailing AddressPo Box 34148Los Angeles, CA 90034-0148
Phone(213) 437-3371
Sole ProprietorNo
Enumeration DateAugust 24, 2023
Last NPPES UpdateFebruary 5, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 5, 2026
✔ NPI 1497539811 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · 132836
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.
Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X · License CI27730719 (CA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
3701 OVERLAND AVE, Los Angeles, CA 90034
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Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ERIC CHEN MD
Radiology (Diagnostic Radiology)
3701 OVERLAND AVE, APT 178
LOS ANGELES, CA 90034
Los Angeles County (714) 364-7939

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 Joseph Quillin's NPI number?

The NPI number for Joseph Quillin is 1497539811. It was assigned to this individual provider in the NPPES registry on August 24, 2023.

Where is Joseph Quillin located?

Joseph Quillin practices at 3701 Overland Ave, Los Angeles, CA 90034. The listed phone number is (213) 437-3371.

What is Joseph Quillin'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 Joseph Quillin was last updated on February 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.