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

THERESA NGUYEN DMD
NPI 1992627145
Dentist - General Practice in Long Beach, CA

Q: What is Theresa Nguyen's NPI number?

The NPI number for Theresa Nguyen is 1992627145. It was assigned to this individual provider in the NPPES registry on July 29, 2026.

Q: What is Theresa Nguyen'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 Theresa Nguyen was last updated on July 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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 July 29, 2026

4578 ATLANTIC AVE, LONG BEACH, CA 90807(310) 579-6465 Get Directions Write a Review

NPPES record added: July 29, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Theresa Nguyen Dmd NPPES

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

THERESA NGUYEN DMD (NPI 1992627145) is an individual general practice provider in Long Beach, California, licensed in California (113305) and active in the NPI registry since July 2026.

NPPES Registry Identity

NPI1992627145

Entity TypeIndividualFemale

Primary Taxonomy1223G0001X

Provider Legal NameTHERESA NGUYENCredential: DMD

Location Address4578 ATLANTIC AVELong Beach, CA 90807-1513

Mailing Address776 Avenida AbejaSan Marcos, CA 92069-7343 · (760) 884-9558

Phone(310) 579-6465

Sole ProprietorNo

Enumeration DateJuly 29, 2026

NPPES CertifiedJuly 29, 2026

✔ NPI 1992627145 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 · 113305

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.

4578 ATLANTIC AVE, Long Beach, CA 90807

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Other Providers at the Same Location NPPES

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

LA-PHAM AND KANSAGRA DENTAL CORPORATION

Dentist

4578 ATLANTIC AVE
LONG BEACH, CA 90807

Los Angeles County (310) 579-6465

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 Theresa Nguyen's NPI number?

The NPI number for Theresa Nguyen is 1992627145. It was assigned to this individual provider in the NPPES registry on July 29, 2026.

Where is Theresa Nguyen located?

Theresa Nguyen practices at 4578 Atlantic Ave, Long Beach, CA 90807. The listed phone number is (310) 579-6465.

What is Theresa Nguyen'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 Theresa Nguyen was last updated on July 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.