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

ROSS ZELLNER LCSW
NPI 1174040372
Social Worker - Clinical in Westlake Village, CA

Active since August 28, 2017
32140 CANYON CREST CT, WESTLAKE VILLAGE, CA 91361(000) 000-0000 Get Directions Write a Review

NPPES record last updated: August 4, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 4, 2026, Aug 26, 2021, Aug 28, 2017 (3 updates tracked since 2017).

About Ross Zellner Lcsw NPPES

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

ROSS ZELLNER LCSW (NPI 1174040372) is an individual clinical provider in Westlake Village, California, licensed in California (103036) and active in the NPI registry since August 2017.

NPPES Registry Identity

NPI1174040372
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameROSS ZELLNERCredential: LCSW
Location Address32140 CANYON CREST CTWestlake Village, CA 91361-4800
Mailing Address32140 Canyon Crest CtWestlake Village, CA 91361-4800
Phone(000) 000-0000
Sole ProprietorNo
Enumeration DateAugust 28, 2017
Last NPPES UpdateAugust 4, 20263 updates tracked since enumeration
NPPES CertifiedAugust 4, 2026
✔ NPI 1174040372 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 · 103036
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.
32140 CANYON CREST CT, Westlake Village, CA 91361
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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 Ross Zellner's NPI number?

The NPI number for Ross Zellner is 1174040372. It was assigned to this individual provider in the NPPES registry on August 28, 2017.

Where is Ross Zellner located?

Ross Zellner practices at 32140 Canyon Crest Ct, Westlake Village, CA 91361. The listed phone number is (000) 000-0000.

What is Ross Zellner'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 Ross Zellner was last updated on August 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.