NPPES file of Aug 9, 2026

Lan Thai Dinh, D.D.S.

Dentist · Ontario, CA

Lan Thai Dinh, D.D.S. is a dentist with a practice address in Ontario, California, and NPI 1114976347, issued on May 6, 2006. Check the license (California 49743, 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
1114976347
Name
Lan Thai Dinh
Credential
D.D.S.
Primary taxonomy
Dentist 122300000X
License number
49743 CA
Self-reported in NPPES; status is on the state search
Practice location
2920 S Archibald Ave, Ontario, CA 91761
Phone
(909) 923-2273
Enumerated
May 6, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(909) 923-2284
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 Lan Thai Dinh 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 49743
    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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17% more Medicare Part D claims than the average dentist in 2024

101 Medicare Part D claims for 37 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. Lan Dinh101
  2. Specialty average86

Most prescribed

  1. Amoxicillin33 claims
  2. Ibuprofen33 claims
  3. Chlorhexidine Gluconate18 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.

Lan Thai Dinh among 14,729 dentist records in California

Lan Thai Dinh, D.D.S. 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 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 82% 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 updated2007 · 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. Khanh Chau, D.M.DOntario, CA 917611982087185
  2. Nhan Dang, D.D.SOntario, CA 917611720329451
  3. Sophia Devore, DDSOntario, CA 917611457045155
  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 Lan Thai Dinh, D.D.S.'s NPI number?

Lan Thai Dinh, D.D.S.'s National Provider Identifier (NPI) is 1114976347, issued on May 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lan Thai Dinh, D.D.S. located?

The NPPES record lists a practice address at 2920 S Archibald Ave, Ontario, CA, 91761. Phone: (909) 923-2273. Providers update this record themselves, so call before visiting.

How can I verify Lan Thai Dinh, D.D.S.'s license?

NPPES lists California license number 49743, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Lan Thai Dinh, D.D.S. prescribe under Medicare Part D?

In 2024, Lan Thai Dinh, D.D.S. had 101 Medicare Part D claims for 37 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.