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DR. JANELLE L TAM DMD
NPI 1942993654
Dentist - General Practice in San Leandro, CA

Active since May 30, 2023
1598 WASHINGTON AVE, SAN LEANDRO, CA 94577(760) 550-2975 Get Directions Write a Review

NPPES record last updated: November 20, 2025. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Nov 20, 2025, May 30, 2023 (2 updates tracked since 2023).

About Dr. Janelle L Tam Dmd NPPES

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

DR. JANELLE L TAM DMD (NPI 1942993654) is an individual general practice provider in San Leandro, California, licensed in California (111501) and active in the NPI registry since May 2023.

NPPES Registry Identity

NPI1942993654
Entity TypeIndividualFemale
Primary Taxonomy1223G0001X
Provider Legal NameDR. JANELLE L TAMCredential: DMD
Location Address1598 WASHINGTON AVESan Leandro, CA 94577-4465
Mailing Address100 Callan Ave Apt 316San Leandro, CA 94577-4565 · (760) 550-2975
Phone(760) 550-2975
Sole ProprietorNo
Enumeration DateMay 30, 2023
Last NPPES UpdateNovember 20, 20252 updates tracked since enumeration
NPPES CertifiedNovember 20, 2025
✔ NPI 1942993654 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in CA · 111501
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1598 WASHINGTON AVE, San Leandro, CA 94577
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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.

DR. CHRIS JUNBUM PARK DDS
Dentist
1598 WASHINGTON AVE
SAN LEANDRO, CA 94577
Alameda County (510) 545-4588
DR. YOUJIA MA FERDOWSIAN DDS
Dentist (General Practice)
1598 WASHINGTON AVE
SAN LEANDRO, CA 94577
Alameda County (510) 545-4588
MICHELLE MA
Dentist (General Practice)
1598 WASHINGTON AVE
SAN LEANDRO, CA 94577
Alameda County (626) 485-8388
VIAN NGO
Dentist (General Practice)
1598 WASHINGTON AVE
SAN LEANDRO, CA 94577
Alameda County (510) 545-4588
SEOK WOO
Dentist (General Practice)
1598 WASHINGTON AVE
SAN LEANDRO, CA 94577
Alameda County (510) 545-4588
DR. YUEJIA XIU DDS
Dentist (General Practice)
1598 WASHINGTON AVE
SAN LEANDRO, CA 94577
Alameda County (646) 361-4323
PEDRO MORALES DDS
Dentist
1598 WASHINGTON AVE
SAN LEANDRO, CA 94577
Alameda County (510) 545-4588
JANICE MA DDS
Dentist (General Practice)
1598 WASHINGTON AVE
SAN LEANDRO, CA 94577
Alameda County (510) 545-4588

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 Janelle Tam's NPI number?

The NPI number for Janelle Tam is 1942993654. It was assigned to this individual provider in the NPPES registry on May 30, 2023.

Where is Janelle Tam located?

Janelle Tam practices at 1598 Washington Ave, San Leandro, CA 94577. The listed phone number is (760) 550-2975.

What is Janelle Tam's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

When was this NPI record last updated?

The NPPES record for Janelle Tam was last updated on November 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.