Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

WILLIAM POON DMD
NPI 1740192954
Dentist - General Practice in Union City, CA

Q: What is William Poon's NPI number?

The NPI number for William Poon is 1740192954. It was assigned to this individual provider in the NPPES registry on September 22, 2026.

Q: What is William Poon's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for William Poon was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since September 22, 2026

3246 SANTA SOPHIA WAY, UNION CITY, CA 94587(510) 366-0107 Get Directions Write a Review

NPPES record added: September 22, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

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About William Poon Dmd NPPES

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

WILLIAM POON DMD (NPI 1740192954) is an individual general practice provider in Union City, California, licensed in California (113868) and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1740192954

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameWILLIAM POONCredential: DMD

Location Address3246 SANTA SOPHIA WAYUnion City, CA 94587-2744

Mailing Address3246 Santa Sophia WayUnion City, CA 94587-2744 · (510) 366-0107

Phone(510) 366-0107

Sole ProprietorYes

Enumeration DateSeptember 22, 2026

NPPES CertifiedSeptember 22, 2026

✔ NPI 1740192954 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in CA · 113868

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.

3246 SANTA SOPHIA WAY, Union City, CA 94587

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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 Poon's NPI number?

The NPI number for William Poon is 1740192954. It was assigned to this individual provider in the NPPES registry on September 22, 2026.

Where is William Poon located?

William Poon practices at 3246 Santa Sophia Way, Union City, CA 94587. The listed phone number is (510) 366-0107.

What is William Poon'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 William Poon was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.