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MR. DESHANNON WILLIAMSON LCSW
NPI 1275904658
Social Worker - Clinical in Hayward, CA

Active since October 12, 2015
1422 HIGHLAND BLVD, HAYWARD, CA 94542(510) 501-4596 Get Directions Write a Review

NPPES record last updated: December 27, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 27, 2021, May 19, 2020 (2 updates tracked since 2020).

About Mr. Deshannon Williamson Lcsw NPPES

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

MR. DESHANNON WILLIAMSON LCSW (NPI 1275904658) is an individual clinical provider in Hayward, California, licensed in California (99175) and active in the NPI registry since October 2015.

NPPES Registry Identity

NPI1275904658
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. DESHANNON WILLIAMSONCredential: LCSW
Location Address1422 HIGHLAND BLVDHayward, CA 94542-1104
Mailing AddressPo Box 5645Oakland, CA 94605-0645 · (510) 501-4596
Phone(510) 501-4596
Sole ProprietorYes
Enumeration DateOctober 12, 2015
Last NPPES UpdateDecember 27, 20212 updates tracked since enumeration
NPPES CertifiedDecember 27, 2021
✔ NPI 1275904658 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
Licenses✔ Licensed in CA · 99175✔ Licensed in CA · ASW73410✔ Licensed in CA · 390200000X
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 ListedSocial WorkerTaxonomy 104100000X · License 101Y00000X (CA)
1422 HIGHLAND BLVD, Hayward, CA 94542
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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 Deshannon Williamson's NPI number?

The NPI number for Deshannon Williamson is 1275904658. It was assigned to this individual provider in the NPPES registry on October 12, 2015.

Where is Deshannon Williamson located?

Deshannon Williamson practices at 1422 Highland Blvd, Hayward, CA 94542. The listed phone number is (510) 501-4596.

What is Deshannon Williamson'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 Deshannon Williamson was last updated on December 27, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.