NPPES file of Aug 9, 2026

Khanh Nhat Chau, D.M.D

Dentist · Ontario, CA

Khanh Nhat Chau, D.M.D is a dentist with a practice address in Ontario, California, and NPI 1982087185, issued on Jul 7, 2015. Check the license (California 64568, 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
1982087185
Name
Khanh Nhat Chau
Credential
D.M.D
Primary taxonomy
Dentist 122300000X
License number
64568 CA
Self-reported in NPPES; status is on the state search
Practice location
3640 Honey Glen Way, Ontario, CA 91761
Phone
(408) 313-1938
Enumerated
Jul 7, 2015
Record last updated
Jul 7, 2015 (not updated in 11 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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Also registered at 3640 Honey Glen Way

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

  1. Mariko Oda, D.M.D.Dentist1174976831

Verify Khanh Nhat Chau 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 64568
    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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38% more Medicare Part D claims than the average dentist in 2024

119 Medicare Part D claims for 65 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Khanh Chau119
  2. Specialty average86

Most prescribed

  1. Amoxicillin48 claims
  2. Ibuprofen27 claims
  3. Clindamycin Hcl18 claims
  4. Chlorhexidine Gluconate11 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.

Khanh Nhat Chau among 14,729 dentist records in California

Khanh Nhat Chau, D.M.D 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 2015, is newer than 67% of them.

  • NPI issued2015 · 67% of these records are older, 30% 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 updated2015 · 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).

52 dentist records list a practice address in Ontario

They are 52 of the 5,375 NPPES records with a practice address in Ontario, and 14,729 dentist records in California.

The 8 dentist records with the nearest ZIP codes

  1. Nhan Dang, D.D.SOntario, CA 917611720329451
  2. Sophia Devore, DDSOntario, CA 917611457045155
  3. Lan Dinh, D.D.S.Ontario, CA 917611114976347
  4. Erick Esmenjaud, D.D.S.Ontario, CA 917611952438970
  5. Karina GutierrezOntario, CA 917611962338400
  6. Peter Wenyen Huang, DDSOntario, CA 917611104137314
  7. Tom Jou, DDSOntario, CA 917611184886368
  8. Rubina KaurOntario, CA 917611285959320

Common questions

What is Khanh Nhat Chau, D.M.D's NPI number?

Khanh Nhat Chau, D.M.D's National Provider Identifier (NPI) is 1982087185, issued on Jul 7, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Khanh Nhat Chau, D.M.D located?

The NPPES record lists a practice address at 3640 Honey Glen Way, Ontario, CA, 91761. Phone: (408) 313-1938. Providers update this record themselves, so call before visiting.

How can I verify Khanh Nhat Chau, D.M.D's license?

NPPES lists California license number 64568, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Khanh Nhat Chau, D.M.D prescribe under Medicare Part D?

In 2024, Khanh Nhat Chau, D.M.D had 119 Medicare Part D claims for 65 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.