NPPES file of Aug 9, 2026

John Thai-Huy Nguyen, D.D.S.

Dentist · Costa Mesa, CA

John Thai-Huy Nguyen, D.D.S. is a dentist with a practice address in Costa Mesa, California, and NPI 1518394675, issued on Oct 3, 2013. Check the license (California 61994, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1518394675
Name
John Thai-Huy Nguyen
Credential
D.D.S.
Primary taxonomy
Dentist 122300000X
License number
61994 CA
Self-reported in NPPES; status is on the state search
Practice location
1175 Baker St Ste A4, Costa Mesa, CA 92626
Phone
(714) 545-9990
Enumerated
Oct 3, 2013
Record last updated
Jun 10, 2026
Fax
(714) 545-7108
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1175 Baker St Ste A4

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

  1. Luz Gamboa, D.D.S.Dentist1982842373

Verify John Thai-Huy 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 61994
    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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76% fewer Medicare Part D claims than the average dentist in 2024

21 Medicare Part D claims for 14 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. John Nguyen21
  2. Specialty average86

Most prescribed

  1. Amoxicillin13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $21.80

2 payments; by number, the most common kind was food and beverage; the largest payer was Align Technology, Inc. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Nguyen$21.80
  2. Specialty average$540.36

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

John Thai-Huy Nguyen among 14,729 dentist records in California

John Thai-Huy Nguyen, D.D.S. is one of 14,729 dentist records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 60% of them.

  • NPI issued2013 · 60% of these records are older, 37% newer
  • In a Medicare fileYes · 56% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2026 · 73% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

39 dentist records list a practice address in Costa Mesa

They are 39 of the 4,286 NPPES records with a practice address in Costa Mesa, and 14,729 dentist records in California.

The 8 dentist records with the nearest ZIP codes

  1. Alvaro Aguirre, D.D.S.Costa Mesa, CA 926261942536628
  2. Richard Ardis, DDSCosta Mesa, CA 926261477760114
  3. Richard Boerner, DDSCosta Mesa, CA 926261962644229
  4. Johanna CaputoCosta Mesa, CA 926261275864225
  5. Christina Do, DDSCosta Mesa, CA 926261306856364
  6. Timothy FoleyCosta Mesa, CA 926261427099084
  7. Luz Gamboa, D.D.S.Costa Mesa, CA 926261982842373
  8. Gemma Hipolito, D.D.S.Costa Mesa, CA 926261184929259

Common questions

What is John Thai-Huy Nguyen, D.D.S.'s NPI number?

John Thai-Huy Nguyen, D.D.S.'s National Provider Identifier (NPI) is 1518394675, issued on Oct 3, 2013. An NPI identifies a provider in billing; it is not a license.

Where is John Thai-Huy Nguyen, D.D.S. located?

The NPPES record lists a practice address at 1175 Baker St Ste A4, Costa Mesa, CA, 92626. Phone: (714) 545-9990. Providers update this record themselves, so call before visiting.

How can I verify John Thai-Huy Nguyen, D.D.S.'s license?

NPPES lists California license number 61994, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does John Thai-Huy Nguyen, D.D.S. prescribe under Medicare Part D?

In 2024, John Thai-Huy Nguyen, D.D.S. had 21 Medicare Part D claims for 14 beneficiaries; the average among dentist prescribers was 86. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

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.