NPPES file of Aug 9, 2026

Trinh Tuan Nguyen, DDS

Dentist · Placentia, CA

Trinh Tuan Nguyen, DDS is a dentist with a practice address in Placentia, California, and NPI 1861611097, issued on Apr 25, 2007. Check the license (California 50658, 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
1861611097
Name
Trinh Tuan Nguyen
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
50658 CA
Self-reported in NPPES; status is on the state search
Practice location
1858 N Placentia Ave, Placentia, CA 92870
Phone
(714) 577-9070
Enumerated
Apr 25, 2007
Record last updated
May 21, 2018 (not updated in 8 years: call before relying on the address or phone)
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.
Download card Updates feed

Verify Trinh Tuan 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 50658
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2% more Medicare Part D claims than the average dentist in 2024

88 Medicare Part D claims for 38 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. Trinh Nguyen88
  2. Specialty average86

Most prescribed

  1. Amoxicillin34 claims
  2. Ibuprofen27 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.

Trinh Tuan Nguyen among 14,729 dentist records in California

Trinh Tuan Nguyen, DDS 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 2007, is newer than 18% of them.

  • NPI issued2007 · 18% of these records are older, 58% 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 updated2018 · 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).

19 dentist records list a practice address in Placentia

They are 19 of the 1,002 NPPES records with a practice address in Placentia, and 14,729 dentist records in California.

The 8 dentist records with the nearest ZIP codes

  1. Perveen Aleemuddin, DDSPlacentia, CA 928701932159019
  2. Jean Campbell, DDSPlacentia, CA 928701992719439
  3. Jaymie Coria, DDSPlacentia, CA 928701861653545
  4. Gilberto Garcia, DDSPlacentia, CA 928701376658229
  5. Yasir Isterabadi, DDSPlacentia, CA 928701952490872
  6. Gene Kim, D.D.S.Placentia, CA 928701710106935
  7. Jane Kim, DDSPlacentia, CA 928701992111637
  8. Debbie Lee, D.D.S.Placentia, CA 928701003975814

Common questions

What is Trinh Tuan Nguyen, DDS's NPI number?

Trinh Tuan Nguyen, DDS's National Provider Identifier (NPI) is 1861611097, issued on Apr 25, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Trinh Tuan Nguyen, DDS located?

The NPPES record lists a practice address at 1858 N Placentia Ave, Placentia, CA, 92870. Phone: (714) 577-9070. Providers update this record themselves, so call before visiting.

How can I verify Trinh Tuan Nguyen, DDS's license?

NPPES lists California license number 50658, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Trinh Tuan Nguyen, DDS prescribe under Medicare Part D?

In 2024, Trinh Tuan Nguyen, DDS had 88 Medicare Part D claims for 38 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.