NPPES file of Aug 9, 2026

Nick M. Nguyen, D.M.D.

Prosthodontics · San Jose, CA

Nick M. Nguyen, D.M.D. is a prosthodontics with a practice address in San Jose, California, and NPI 1275851487, issued on May 12, 2010. Check the license (California 44520, 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
1275851487
Name
Nick M. Nguyen
Credential
D.M.D.
Primary taxonomy
Prosthodontics 1223P0700X
License number
44520 CA
Self-reported in NPPES; status is on the state search
Practice location
1645 Willow St Ste 200, San Jose, CA 95125
Phone
(408) 293-6570
Enumerated
May 12, 2010
Record last updated
May 12, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(408) 293-6628
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 Nick M. 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 44520
    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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81% fewer Medicare Part D claims than the average prosthodontics in 2024

17 Medicare Part D claims for 15 beneficiaries, against an average of 90 among the 1,779 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Nick Nguyen17
  2. Specialty average90

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.

Nick M. Nguyen among 474 prosthodontics records in California

Nick M. Nguyen, D.M.D. is one of 474 prosthodontics records with a practice address in California. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 66% of them.

  • NPI issued2010 · 66% of these records are older, 30% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileNo · 3% of these records are
  • Record last updated2010 · 80% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Prosthodontics providers in California

There are 474 prosthodontics records in California.

The 8 prosthodontics records with the nearest ZIP codes

  1. Nicholas Long, DDSSan Jose, CA 951261306989751
  2. Kyung Rhan RhaSan Jose, CA 951261891207031
  3. Joseph Sands, DDSSan Jose, CA 951261508169301
  4. Patrick Walker, D.D.S.San Jose, CA 951231669764346
  5. Sung-Eun Lim, DMDSan Jose, CA 951281891865192
  6. Chanh Viet, D.D.S.San Jose, CA 951161902091424
  7. Alaa Moustafa, DDS, MSWatsonville, CA 950761275624140
  8. Charles Dorman, DDS MSStockton, CA 952071922173632

Common questions

What is Nick M. Nguyen, D.M.D.'s NPI number?

Nick M. Nguyen, D.M.D.'s National Provider Identifier (NPI) is 1275851487, issued on May 12, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Nick M. Nguyen, D.M.D. located?

The NPPES record lists a practice address at 1645 Willow St Ste 200, San Jose, CA, 95125. Phone: (408) 293-6570. Providers update this record themselves, so call before visiting.

How can I verify Nick M. Nguyen, D.M.D.'s license?

NPPES lists California license number 44520, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Nick M. Nguyen, D.M.D. prescribe under Medicare Part D?

In 2024, Nick M. Nguyen, D.M.D. had 17 Medicare Part D claims for 15 beneficiaries; the average among prosthodontics prescribers was 90. 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.