NPPES file of Aug 9, 2026

Quynh C. Nguyen, D.D.S

General Practice Dentistry · San Jose, CA

Quynh C. Nguyen, D.D.S is a general practice dentistry with a practice address in San Jose, California, and NPI 1821125634, issued on Feb 28, 2007. Check the license (California 47976, 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
1821125634
Name
Quynh C. Nguyen
Credential
D.D.S
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
47976 CA
Self-reported in NPPES; status is on the state search
Practice location
2395 Montpelier Dr Ste 1, San Jose, CA 95116
Phone
(408) 272-2888
Enumerated
Feb 28, 2007
Record last updated
Oct 18, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(408) 272-5888
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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Verify Quynh C. 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 47976
    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
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78% fewer Medicare Part D claims than the average general practice dentistry in 2024

18 Medicare Part D claims, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Quynh Nguyen18
  2. Specialty average83

Most prescribed

  1. Chlorhexidine Gluconate13 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.

Quynh C. Nguyen among 17,852 general practice dentistry records in California

Quynh C. 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 2007, is newer than 29% of them.

  • NPI issued2007 · 29% of these records are older, 40% 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 updated2011 · 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).

583 general practice dentistry records list a practice address in San Jose

They are 583 of the 20,925 NPPES records with a practice address in San Jose, and 17,852 general practice dentistry records in California.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Ferial Bagha, D.D.S.San Jose, CA 951161124133012
  2. Bhakti Desai, DDSSan Jose, CA 951161588737407
  3. Natalie Huynh, D.D.SSan Jose, CA 951161902919681
  4. Fei Hwang, D.D.S.San Jose, CA 951161740362722
  5. Daisy Ison, DDSSan Jose, CA 951161518033737
  6. David JouSan Jose, CA 951161548328453
  7. Imelda Nagtalon, DDSSan Jose, CA 951161730238239
  8. Huong Nguyen, DDSSan Jose, CA 951161306878467

Common questions

What is Quynh C. Nguyen, D.D.S's NPI number?

Quynh C. Nguyen, D.D.S's National Provider Identifier (NPI) is 1821125634, issued on Feb 28, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Quynh C. Nguyen, D.D.S located?

The NPPES record lists a practice address at 2395 Montpelier Dr Ste 1, San Jose, CA, 95116. Phone: (408) 272-2888. Providers update this record themselves, so call before visiting.

How can I verify Quynh C. Nguyen, D.D.S's license?

NPPES lists California license number 47976, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Quynh C. Nguyen, D.D.S prescribe under Medicare Part D?

In 2024, Quynh C. Nguyen, D.D.S had 18 Medicare Part D claims; 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.

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.