NPPES file of Aug 9, 2026

Paul Truong Nguyen, DENTIST

General Practice Dentistry · Tustin, CA

Paul Truong Nguyen, DENTIST is a general practice dentistry with a practice address in Tustin, California, and NPI 1174955488, issued on Aug 8, 2013. Check the license (California DDS64255, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1174955488
Name
Paul Truong Nguyen
Credential
DENTIST
Primary taxonomy
General Practice Dentistry 1223G0001X
License numbers
DDS64255 CA
D008816 AZ
DENT.DE.60668006 WA
Self-reported in NPPES; status is on the state search
Practice location
661 W 1St St Ste A, Tustin, CA 92780
Phone
(714) 665-9890
Enumerated
Aug 8, 2013
Record last updated
Oct 22, 2025
Fax
(714) 665-9891
Medicare enrollment
Enrolled (PECOS I20250901000695); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →

Also registered at 661 W 1St St Ste A

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Vivian Le, DENTISTDentist1558889055
  2. Parvin Mahdad, DENTISTGeneral Practice Dentistry1578603528
  3. Rinkal Thakkar, DENTISTDentist1750905840
  4. Don Vu, DENTISTDentist1124227434

Verify Paul Truong Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license DDS64255    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Paul Truong Nguyen among 17,852 general practice dentistry records in California

Paul Truong Nguyen, DENTIST is one of 17,852 general practice dentistry records with a practice address in California. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2013, is newer than 75% of them.

  • NPI issued2013 · 75% of these records are older, 24% newer
  • In a Medicare fileNo · 57% of these records are
  • In the CMS Doctors and Clinicians fileYes · under 1% of these records are
  • Graduated2013 · median 2009 among the 95 with a school on file
  • Record last updated2025 · 79% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

88 general practice dentistry records list a practice address in Tustin

They are 88 of the 2,221 NPPES records with a practice address in Tustin, and 17,852 general practice dentistry records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 17,852 in California → Every provider in Tustin → General Practice Dentistry nationwide →

The 8 general practice dentistry records with the nearest ZIP codes

  1. Jafar Assaf, DDSTustin, CA 927801336153287
  2. Guy Biagiotti, DDSTustin, CA 927801740206986
  3. Pishya Chamkasem, DDSTustin, CA 927801205852761
  4. Andrew Chu, D.D.S.Tustin, CA 927801568422285
  5. Maureen Dornan, D.D.S.Tustin, CA 927801477559896
  6. Baher Fahmy, DDS.Tustin, CA 927801821100264
  7. Vinod Hattiangadi, DDSTustin, CA 927801265445076
  8. Kyung Kim, D.D.S.Tustin, CA 927801871541540

Common questions

What is Paul Truong Nguyen, DENTIST's NPI number?

Paul Truong Nguyen, DENTIST's National Provider Identifier (NPI) is 1174955488, issued on Aug 8, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Paul Truong Nguyen, DENTIST located?

The NPPES record lists a practice address at 661 W 1St St Ste A, Tustin, CA, 92780. Phone: (714) 665-9890. Providers update this record themselves, so call before visiting.

How can I verify Paul Truong Nguyen, DENTIST's license?

NPPES lists California license number DDS64255, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.