NPPES file of Aug 9, 2026

Thi Dong Buu, O.D.

Optometrist · Lake Elsinore, CA

Thi Dong Buu, O.D. is an optometrist with a practice address in Lake Elsinore, California, and NPI 1740495183, issued on May 11, 2007. Check the license (California 11411T, 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
1740495183
Name
Thi Dong Buu
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
11411T CA
Self-reported in NPPES; status is on the state search
Practice location
25321 Railroad Canyon RD, Lake Elsinore, CA 92532
Phone
(951) 244-1122
Enumerated
May 11, 2007
Record last updated
Apr 19, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(951) 244-2777
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.
Download card Updates feed

Verify Thi Dong Buu 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 11411T
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

42% fewer Medicare Part D claims than the average optometrist in 2024

161 Medicare Part D claims for 82 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 56% of claims.

  1. Thi Buu161
  2. Specialty average277

Most prescribed

  1. Cyclosporine49 claims
  2. Azelastine Hcl43 claims
  3. Xiidra19 claims
  4. Restasis12 claims
  5. Erythromycin11 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.

Industry payments in 2024: $24.58

1 payment: food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thi Buu$24.58
  2. Specialty average$769.99

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

Thi Dong Buu among 8,308 optometrist records in California

Thi Dong Buu, 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 2007, is newer than 34% of them.

  • NPI issued2007 · 34% of these records are older, 46% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 43% of these records are
  • Record last updated2011 · 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).

8 optometrist records list a practice address in Lake Elsinore

They are 8 of the 818 NPPES records with a practice address in Lake Elsinore, and 8,308 optometrist records in California.

The 8 optometrist records with the nearest ZIP codes

  1. Robert Homuth, O.D.Lake Elsinore, CA 925321790832996
  2. Stephen Schroeder, ODLake Elsinore, CA 925321164584793
  3. Michelle Cruz, O.D.Lake Elsinore, CA 925301679926646
  4. Cynthia Camille Mund, ODLake Elsinore, CA 925301881370658
  5. Tuongvy Ngo, ODLake Elsinore, CA 925301700918091
  6. Tara Vacharkulksemsuk, O.D.Lake Elsinore, CA 925301588977938
  7. Quynh VuLake Elsinore, CA 925301679581094
  8. Markus Buri, O.D.Hemet, CA 925431417915729

Common questions

What is Thi Dong Buu, O.D.'s NPI number?

Thi Dong Buu, O.D.'s National Provider Identifier (NPI) is 1740495183, issued on May 11, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Thi Dong Buu, O.D. located?

The NPPES record lists a practice address at 25321 Railroad Canyon RD, Lake Elsinore, CA, 92532. Phone: (951) 244-1122. Providers update this record themselves, so call before visiting.

How can I verify Thi Dong Buu, O.D.'s license?

NPPES lists California license number 11411T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Thi Dong Buu, O.D. prescribe under Medicare Part D?

In 2024, Thi Dong Buu, O.D. had 161 Medicare Part D claims for 82 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.