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WILLIAM B. GREENBERG LCSW
NPI 1003939521
Social Worker - Clinical in San Francisco, CA

Active since April 09, 2007
1650 MISSION STREET, 4TH FLOOR, SAN FRANCISCO, CA 94103(415) 355-3695(415) 355-3683 Get Directions Write a Review

NPPES record last updated: August 10, 2007. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About William B. Greenberg Lcsw NPPES

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

WILLIAM B. GREENBERG LCSW (NPI 1003939521) is an individual clinical provider in San Francisco, California, licensed in California (LCS9040) and active in the NPI registry since April 2007.

NPPES Registry Identity

NPI1003939521
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameWILLIAM B. GREENBERGCredential: LCSW
Location Address1650 MISSION STREET, 4TH FLOORSan Francisco, CA 94103
Mailing Address875 Stevenson StSan Francisco, CA 94103-0901 · (415) 355-3680 · Fax (415) 355-3683
Phone(415) 355-3695
Fax(415) 355-3683
Sole ProprietorNo
Enumeration DateApril 9, 2007
Last NPPES UpdateAugust 10, 2007
✔ NPI 1003939521 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 · LCS9040
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.
1650 MISSION STREET, San Francisco, CA 94103
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Other Identifiers 2

Other245Sfgh Internal Use Only
Other245Cbhs Internal Use Only-commercial Number

Other Providers at the Same Location NPPES 3

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

ROWENA A CATURAY LCSW
Social Worker (Clinical)
1650 MISSION STREET, 4TH FLOOR
SAN FRANCISCO, CA 94103
San Francisco County (415) 355-3657
WILLIAM C TORRES LCSW
Social Worker (Clinical)
1650 MISSION STREET, 4TH FLOOR
SAN FRANCISCO, CA 94103
San Francisco County (415) 355-3680
CITY AND COUNTY OF SAN FRANCISCO
Case Manager/Care Coordinator
1650 MISSION STREET, 5TH FLOOR
SAN FRANCISCO, CA 94103
San Francisco County (415) 355-3693

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 William Greenberg's NPI number?

The NPI number for William Greenberg is 1003939521. It was assigned to this individual provider in the NPPES registry on April 9, 2007.

Where is William Greenberg located?

William Greenberg practices at 1650 Mission Street 4th Floor, San Francisco, CA 94103. The listed phone number is (415) 355-3695.

What is William Greenberg'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 William Greenberg was last updated on August 10, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.