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RUTH DEBORAH MASER
NPI 1265566350
Social Worker - Clinical in Los Angeles, CA

Active since March 14, 2007
600 ST PAUL AVE STE 100, LOS ANGELES, CA 90017(213) 482-6400(213) 482-6408 Get Directions Write a Review

NPPES record last updated: January 8, 2010. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Ruth Deborah Maser NPPES

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

RUTH DEBORAH MASER (NPI 1265566350) is an individual clinical provider in Los Angeles, California, licensed in California (LCS 24858) and active in the NPI registry since March 2007.

NPPES Registry Identity

NPI1265566350
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameRUTH DEBORAH MASER
Location Address600 ST PAUL AVE STE 100Los Angeles, CA 90017-5658
Mailing AddressPo Box 1393South Pasadena, CA 91031 · (626) 824-4601
Phone(213) 482-6400
Fax(213) 482-6408
Sole ProprietorNo
Enumeration DateMarch 14, 2007
Last NPPES UpdateJanuary 8, 2010
✔ NPI 1265566350 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · LCS 24858
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 ListedRehabilitation PractitionerTaxonomy 225400000X · License ASW19160 (CA)
600 ST PAUL AVE STE 100, Los Angeles, CA 90017
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Other Providers at the Same Location NPPES 2

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

MS. ORALIA VANLEUVEN LCSW
Social Worker (Clinical)
600 ST PAUL AVE STE 100
LOS ANGELES, CA 90017
Los Angeles County (213) 482-6400
AMESHIA CARTER LVN
Licensed Vocational Nurse
600 ST PAUL AVE STE 100
LOS ANGELES, CA 90017
Los Angeles County (213) 482-6400

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 Ruth Maser's NPI number?

The NPI number for Ruth Maser is 1265566350. It was assigned to this individual provider in the NPPES registry on March 14, 2007.

Where is Ruth Maser located?

Ruth Maser practices at 600 St Paul Ave Ste 100, Los Angeles, CA 90017. The listed phone number is (213) 482-6400.

What is Ruth Maser'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 Ruth Maser was last updated on January 8, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years 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.