NPPES file of Aug 9, 2026

Truman Kim Nguyen, D.D.S.

General Practice Dentistry · Santa Ana, CA

Truman Kim Nguyen, D.D.S. is a general practice dentistry with a practice address in Santa Ana, California, and NPI 1326520735, issued on Aug 31, 2018. Check the license (California 103177, 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
1326520735
Name
Truman Kim Nguyen
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
103177 CA
Self-reported in NPPES; status is on the state search
Practice location
1234 S Karen Ave, Santa Ana, CA 92704
Phone
(714) 599-4566
Enumerated
Aug 31, 2018
Record last updated
Aug 31, 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.
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8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →

Verify Truman Kim 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 103177    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

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67% fewer Medicare Part D claims than the average general practice dentistry in 2024

27 Medicare Part D claims for 16 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Truman Nguyen27
  2. Specialty average83

Most prescribed

  1. Amoxicillin11 claims
  2. Ibuprofen11 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.

Truman Kim Nguyen among 17,852 general practice dentistry records in California

Truman Kim Nguyen, D.D.S. 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. Its NPI, issued in 2018, is newer than 83% of them.

  • NPI issued2018 · 83% of these records are older, 15% newer
  • In a Medicare fileYes · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2018 · 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).

150 general practice dentistry records list a practice address in Santa Ana

They are 150 of the 8,904 NPPES records with a practice address in Santa Ana, and 17,852 general practice dentistry records in California.

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

The 8 general practice dentistry records with the nearest ZIP codes

  1. Phuong-Ly Bui, D.D.S.Santa Ana, CA 927041902964059
  2. Crispin Chang, DDSSanta Ana, CA 927041598806051
  3. Peter ChenSanta Ana, CA 927041841336898
  4. Edwin Cruz, DDSSanta Ana, CA 927041114017506
  5. Loc Do, DDSSanta Ana, CA 927041013929298
  6. Josephine Dumalaog-Cruz, DDSSanta Ana, CA 927041912064668
  7. Jane Franklin, D.D.S.Santa Ana, CA 927041669542544
  8. Michael Kim, D.D.S.Santa Ana, CA 927041093870198

Common questions

What is Truman Kim Nguyen, D.D.S.'s NPI number?

Truman Kim Nguyen, D.D.S.'s National Provider Identifier (NPI) is 1326520735, issued on Aug 31, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Truman Kim Nguyen, D.D.S. located?

The NPPES record lists a practice address at 1234 S Karen Ave, Santa Ana, CA, 92704. Phone: (714) 599-4566. Providers update this record themselves, so call before visiting.

How can I verify Truman Kim Nguyen, D.D.S.'s license?

NPPES lists California license number 103177, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Truman Kim Nguyen, D.D.S. prescribe under Medicare Part D?

In 2024, Truman Kim Nguyen, D.D.S. had 27 Medicare Part D claims for 16 beneficiaries; the average among general practice dentistry prescribers was 83. 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.

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.