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MARCUS MAZZA LCSW
NPI 1245384833
Social Worker - Clinical in San Francisco, CA

Active since January 22, 2007
163 LONDON ST, SAN FRANCISCO, CA 94112(415) 334-3171 Get Directions Write a Review

NPPES record last updated: September 26, 2011. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Marcus Mazza Lcsw NPPES

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

MARCUS MAZZA LCSW (NPI 1245384833) is an individual clinical provider in San Francisco, California, licensed in California (LCSW27639) and active in the NPI registry since January 2007.

NPPES Registry Identity

NPI1245384833
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMARCUS MAZZACredential: LCSW
Location Address163 LONDON STSan Francisco, CA 94112-2052
Mailing Address163 London StSan Francisco, CA 94112-2052 · (415) 334-3171
Phone(415) 334-3171
Sole ProprietorNo
Enumeration DateJanuary 22, 2007
Last NPPES UpdateSeptember 26, 2011
✔ NPI 1245384833 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 · LCSW27639
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 · Mental HealthTaxonomy 101YM0800X · License ASW20317 (CA)
163 LONDON ST, San Francisco, CA 94112
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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.

KARLA VANESSA SARANTOPULOS ASW
Counselor
163 LONDON ST
SAN FRANCISCO, CA 94112
San Francisco County (415) 325-4551

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 Marcus Mazza's NPI number?

The NPI number for Marcus Mazza is 1245384833. It was assigned to this individual provider in the NPPES registry on January 22, 2007.

Where is Marcus Mazza located?

Marcus Mazza practices at 163 London St, San Francisco, CA 94112. The listed phone number is (415) 334-3171.

What is Marcus Mazza'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 Marcus Mazza was last updated on September 26, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.