NPPES file of Aug 9, 2026

Hung Thai, O.D.

Optometrist · Santa Clara, CA

Hung Thai, O.D. is an optometrist with a practice address in Santa Clara, California, and NPI 1396983730, issued on Jan 22, 2009. Check the license (California 13665T, 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
1396983730
Name
Hung Thai
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
13665T CA
Self-reported in NPPES; status is on the state search
Practice location
710 Lawrence Expy, Santa Clara, CA 95051
Phone
(408) 851-4100
Enumerated
Jan 22, 2009
Record last updated
Dec 30, 2021 (not updated in 5 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 710 Lawrence Expy

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

  1. Iype Abraham, M.D.Internal Medicine Physician1578737243
  2. Oren Abramson, MDPediatric Gastroenterology Physician1265511307
  3. Jamie Adiarte, PA-CPhysician Assistant1073824413
  4. Sarah Adut, PHDClinical Psychologist1609484831
  5. Najla Ahmadzia, M.D.Student in an Organized Health Care Education/Training Program1568692580
  6. Farhana Ahmed, MDHospitalist Physician1215110002

Verify Hung Thai 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 13665T
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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91% fewer Medicare Part D claims than the average optometrist in 2024

26 Medicare Part D claims for 19 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.

  1. Hung Thai26
  2. Specialty average277

Most prescribed

  1. Erythromycin14 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.

Hung Thai among 8,308 optometrist records in California

Hung Thai, O.D. is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 57% of them.

  • NPI issued2009 · 57% of these records are older, 41% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 43% of these records are
  • Record last updated2021 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

59 optometrist records list a practice address in Santa Clara

They are 59 of the 3,436 NPPES records with a practice address in Santa Clara, and 8,308 optometrist records in California.

The 8 optometrist records with the nearest ZIP codes

  1. Michael Bommarito, O.D.Santa Clara, CA 950511275683963
  2. Joseph Cheng, O.D.Santa Clara, CA 950511659527125
  3. Hungsun Chung, O.D.Santa Clara, CA 950511366585028
  4. Anhdao Duong, O.D.Santa Clara, CA 950511295877868
  5. Valerie Hamamoto, O.D.Santa Clara, CA 950511730157751
  6. William Howard, O.D.Santa Clara, CA 950511427112275
  7. Neda Jam, O.D.Santa Clara, CA 950511760555114
  8. Anne Nguyen, O.D.Santa Clara, CA 950511457413064

Common questions

What is Hung Thai, O.D.'s NPI number?

Hung Thai, O.D.'s National Provider Identifier (NPI) is 1396983730, issued on Jan 22, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Hung Thai, O.D. located?

The NPPES record lists a practice address at 710 Lawrence Expy, Santa Clara, CA, 95051. Phone: (408) 851-4100. Providers update this record themselves, so call before visiting.

How can I verify Hung Thai, O.D.'s license?

NPPES lists California license number 13665T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Hung Thai, O.D. prescribe under Medicare Part D?

In 2024, Hung Thai, O.D. had 26 Medicare Part D claims for 19 beneficiaries; the average among optometrist prescribers was 277. 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.