NPPES file of Aug 9, 2026

Thu Xuan Nguyen, D.D.S.

General Practice Dentistry · Sunnyvale, CA

Thu Xuan Nguyen, D.D.S. is a general practice dentistry with a practice address in Sunnyvale, California, and NPI 1043222110, issued on Aug 13, 2006. Check the license (California 42940, 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
1043222110
Name
Thu Xuan Nguyen
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
42940 CA
Self-reported in NPPES; status is on the state search
Practice location
647 S Bernardo Ave, Sunnyvale, CA 94087
Phone
(408) 735-7535
Enumerated
Aug 13, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(408) 735-7536
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 647 S Bernardo Ave

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

  1. Ngoc Truc Uyen Huynh, DDSGeneral Practice Dentistry1144935438

Verify Thu Xuan 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 42940
    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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Industry payments in 2024: $95.12

3 payments; by number, the most common kind was food and beverage; the largest payer was Align Technology, Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thu Nguyen$95.12
  2. Specialty average$597.01

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

132 general practice dentistry records list a practice address in Sunnyvale

They are 132 of the 1,690 NPPES records with a practice address in Sunnyvale, and 17,852 general practice dentistry records in California.

Other general practice dentistry records in California

  1. Ronald Aanerud, DDSSan Diego, CA1871752931
  2. Steven Aaronson, D.D.S.Santa Monica, CA1265455851
  3. Shahrzad Aarup, DDSPomona, CA1265784367
  4. Al Abad, DDSSan Jose, CA1104992148
  5. Erwin Abad, D.D.S.Canoga Park, CA1861590093
  6. Francine Abad, DDSSan Francisco, CA1942700810
  7. Maria Abad, D.D.S.Norwalk, CA1215006754
  8. Mark Ryan Abad, DDSDaly City, CA1770357394
  9. Sanaz Abadi, D.D.S.Los Angeles, CA1699934026
  10. Ernesto Abadilla, DDSPalm Desert, CA1508063801

Common questions

What is Thu Xuan Nguyen, D.D.S.'s NPI number?

Thu Xuan Nguyen, D.D.S.'s National Provider Identifier (NPI) is 1043222110, issued on Aug 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thu Xuan Nguyen, D.D.S. located?

The NPPES record lists a practice address at 647 S Bernardo Ave, Sunnyvale, CA, 94087. Phone: (408) 735-7535. Providers update this record themselves, so call before visiting.

How can I verify Thu Xuan Nguyen, D.D.S.'s license?

NPPES lists California license number 42940, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.