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MR. DENNIS P. CASSAN LCSW
NPI 1154425270
Social Worker - Clinical in Laguna Niguel, CA

Active since September 11, 2006
30011 IVY GLENN DR 206, LAGUNA NIGUEL, CA 92677(310) 968-0245(949) 425-0202 Get Directions Write a Review

NPPES record last updated: September 7, 2015. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mr. Dennis P. Cassan Lcsw NPPES

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

MR. DENNIS P. CASSAN LCSW (NPI 1154425270) is an individual clinical provider in Laguna Niguel, California, licensed in California (16049) and active in the NPI registry since September 2006.

NPPES Registry Identity

NPI1154425270
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. DENNIS P. CASSANCredential: LCSW
Location Address30011 IVY GLENN DR 206Laguna Niguel, CA 92677-5017
Mailing Address28271 Rancho De LindaLaguna Niguel, CA 92677 · (949) 425-1040 · Fax (949) 425-0202
Phone(310) 968-0245
Fax(949) 425-0202
Sole ProprietorYes
Enumeration DateSeptember 11, 2006
Last NPPES UpdateSeptember 7, 2015
✔ NPI 1154425270 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 · 16049
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.
30011 IVY GLENN DR 206, Laguna Niguel, CA 92677
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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 Dennis Cassan's NPI number?

The NPI number for Dennis Cassan is 1154425270. It was assigned to this individual provider in the NPPES registry on September 11, 2006.

Where is Dennis Cassan located?

Dennis Cassan practices at 30011 Ivy Glenn Dr 206, Laguna Niguel, CA 92677. The listed phone number is (310) 968-0245.

What is Dennis Cassan'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 Dennis Cassan was last updated on September 7, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.