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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

TANDEKA WILLIAMS
NPI 1962809558
Social Worker in Oakland, CA

Active since November 25, 2014
390 40TH ST, OAKLAND, CA 94609(510) 653-5040 Get Directions Write a Review

NPPES record last updated: September 10, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Sep 10, 2026, Sep 5, 2026 (2 updates tracked since 2026).

About Tandeka Williams NPPES

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

TANDEKA WILLIAMS (NPI 1962809558) is an individual social worker in Oakland, California, licensed in California (139033) and active in the NPI registry since November 2014.

NPPES Registry Identity

NPI1962809558
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameTANDEKA WILLIAMS
Location Address390 40TH STOakland, CA 94609-2633
Mailing Address390 40th StOakland, CA 94609-2633 · (510) 653-5040 · Fax (510) 653-5040
Phone(510) 653-5040
Sole ProprietorNo
Enumeration DateNovember 25, 2014
Last NPPES UpdateSeptember 10, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 10, 2026
✔ NPI 1962809558 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in CA · 139033
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
390 40TH ST, Oakland, CA 94609
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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.

THUYMINH NGUYEN
Marriage & Family Therapist
390 40TH ST
OAKLAND, CA 94609
Alameda County (510) 653-5040
NOAH MERL
Social Worker
390 40TH ST
OAKLAND, CA 94609
Alameda County (510) 653-5040
VIRGIL GABA BAGAOISAN
Counselor (Addiction (Substance Use Disorder))
390 40TH ST
OAKLAND, CA 94609
Alameda County (510) 306-5361
DANIELLE CHRISJAN STAUFFER
Social Worker (Clinical)
390 40TH ST
OAKLAND, CA 94609
Alameda County (510) 723-1907
AUJANAE JACKSON
Peer Specialist
390 40TH ST
OAKLAND, CA 94609
Alameda County (510) 613-0330
KIMBERLY JANE GATLIN
Adult Companion
390 40TH ST
OAKLAND, CA 94609
Alameda County (510) 613-0330
SHALIMAR FAYEZ BOULOS LCSW, MSW, MPH
Social Worker (Clinical)
390 40TH ST
OAKLAND, CA 94609
Alameda County (510) 613-0330
LISA NICOLE DEVORE
Counselor
390 40TH ST
OAKLAND, CA 94609
Alameda County (510) 247-8235

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 Tandeka Williams's NPI number?

The NPI number for Tandeka Williams is 1962809558. It was assigned to this individual provider in the NPPES registry on November 25, 2014.

Where is Tandeka Williams located?

Tandeka Williams practices at 390 40th St, Oakland, CA 94609. The listed phone number is (510) 653-5040.

What is Tandeka Williams's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Tandeka Williams was last updated on September 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days 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.