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

GISELLE RUTH NISSENBAUM MSW
NPI 1952233504
Social Worker - Clinical in Los Angeles, CA

Active since May 29, 2026
200 MEDICAL PLAZA UNIT 502, LOS ANGELES, CA 90095(310) 794-6644 Get Directions Write a Review

NPPES record added: May 29, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Giselle Ruth Nissenbaum Msw NPPES

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

GISELLE RUTH NISSENBAUM MSW (NPI 1952233504) is an individual clinical provider in Los Angeles, California, licensed in California (130496) and active in the NPI registry since May 2026.

NPPES Registry Identity

NPI1952233504
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameGISELLE RUTH NISSENBAUMCredential: MSW
Location Address200 MEDICAL PLAZA UNIT 502Los Angeles, CA 90095-0001
Mailing Address200 Medical Plaza Unit 502Los Angeles, CA 90095-0001 · (310) 794-6644
Sole ProprietorYes
Enumeration DateMay 29, 2026
NPPES CertifiedMay 29, 2026
NPI 1952233504 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 · 130496
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.
200 MEDICAL PLAZA UNIT 502, Los Angeles, CA 90095

Other Providers at the Same Location NPPES

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

Social Worker (Clinical)
200 MEDICAL PLAZA UNIT 502
LOS ANGELES, CA 90095

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 Giselle Nissenbaum's NPI number?

The NPI number for Giselle Nissenbaum is 1952233504. It was assigned to this individual provider in the NPPES registry on May 29, 2026.

Where is Giselle Nissenbaum located?

Giselle Nissenbaum practices at 200 Medical Plaza Unit 502, Los Angeles, CA 90095. The listed phone number is (310) 794-6644.

What is Giselle Nissenbaum'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 Giselle Nissenbaum was last updated on May 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.