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MR. SHANNON F. WILLIAMSON ASW
NPI 1235294471
Counselor in San Francisco, CA

Active since December 27, 2006
673 SAN JOSE AVE, SAN FRANCISCO, CA 94110(415) 282-3789 Get Directions Write a Review

NPPES record last updated: January 7, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 7, 2022, Nov 2, 2021, Apr 15, 2019 (3 updates tracked since 2019).

About Mr. Shannon F. Williamson Asw NPPES

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

MR. SHANNON F. WILLIAMSON ASW (NPI 1235294471) is an individual counselor in San Francisco, California, licensed in California (97075) and active in the NPI registry since December 2006.

NPPES Registry Identity

NPI1235294471
Entity TypeIndividualMale
Primary Taxonomy101Y00000X
Provider Legal NameMR. SHANNON F. WILLIAMSONCredential: ASW
Location Address673 SAN JOSE AVESan Francisco, CA 94110-4914
Mailing Address2712 Mission StSan Francisco, CA 94110-3104 · (415) 401-2700
Phone(415) 282-3789
Sole ProprietorNo
Enumeration DateDecember 27, 2006
Last NPPES UpdateJanuary 7, 20223 updates tracked since enumeration
NPPES CertifiedJanuary 7, 2022
✔ NPI 1235294471 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselorBehavioral Health & Social Service Providers
Taxonomy Code101Y00000X
License✔ Licensed in CA · 97075
Definition

A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.

Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X · License 97075 (CA), 63933 (CA)
673 SAN JOSE AVE, San Francisco, CA 94110
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Other Providers at the Same Location NPPES 20

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

JOSEPH DUDUM
Counselor
673 SAN JOSE AVE
SAN FRANCISCO, CA 94110
San Francisco County (415) 282-3789
ALEXIS ASONYA GASPERECZ
Day Training/Habilitation Specialist
673 SAN JOSE AVE
SAN FRANCISCO, CA 94110
San Francisco County (415) 282-3789
MS. LADASHA MONIQUE BERRY JD STUDENT
Day Training/Habilitation Specialist
673 SAN JOSE AVE
SAN FRANCISCO, CA 94110
San Francisco County (510) 712-7368
MERCEDEZ LOMELI
Community Health Worker
673 SAN JOSE AVE
SAN FRANCISCO, CA 94110
San Francisco County (415) 282-3789
MR. ABDUL RAHIM OWENS I
Day Training/Habilitation Specialist
673 SAN JOSE AVE
SAN FRANCISCO, CA 94110
San Francisco County (415) 282-3789
KEVIN LEE KILLIAN LMHP
Rehabilitation Practitioner
673 SAN JOSE AVE
SAN FRANCISCO, CA 94110
San Francisco County (415) 282-3789
TALIAH MITCHELL
Community Health Worker
673 SAN JOSE AVE
SAN FRANCISCO, CA 94110
San Francisco County (415) 282-3789
GARY MOORE
Case Manager/Care Coordinator
673 SAN JOSE AVE
SAN FRANCISCO, CA 94110
San Francisco County (415) 282-3789

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 Shannon Williamson's NPI number?

The NPI number for Shannon Williamson is 1235294471. It was assigned to this individual provider in the NPPES registry on December 27, 2006.

Where is Shannon Williamson located?

Shannon Williamson practices at 673 San Jose Ave, San Francisco, CA 94110. The listed phone number is (415) 282-3789.

What is Shannon Williamson's specialty?

The primary specialty registered for this NPI is Counselor with taxonomy code 101Y00000X.

When was this NPI record last updated?

The NPPES record for Shannon Williamson was last updated on January 7, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.