NPPES file of Aug 9, 2026

Lambert Duong, O.D.

Optometrist · Katy, TX

Lambert Duong, O.D. is an optometrist with a practice address in Katy, Texas, and NPI 1194151969, issued on Sep 24, 2013. Check the license (Texas 8251T, as entered in NPPES) with the Texas 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
1194151969
Name
Lambert Duong
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
8251T TX
Self-reported in NPPES; status is on the state search
Practice location
20220 Katy Fwy Ste D, Katy, TX 77449
Phone
(281) 492-6262
Enumerated
Sep 24, 2013
Record last updated
Feb 17, 2026
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 20220 Katy Fwy Ste D

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

  1. Melissa Carcano, O.D.Optometrist1861708950

Verify Lambert Duong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 8251T
    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 Texas license search

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Industry payments in 2024: $598.44

8 payments; by number, the most common kind was 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. Lambert Duong$598.44
  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.

Lambert Duong among 5,006 optometrist records in Texas

Lambert Duong, O.D. is one of 5,006 optometrist records with a practice address in Texas. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 59% of them.

  • NPI issued2013 · 59% of these records are older, 38% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2026 · 59% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

83 optometrist records list a practice address in Katy

They are 83 of the 5,078 NPPES records with a practice address in Katy, and 5,006 optometrist records in Texas.

The 8 optometrist records with the nearest ZIP codes

  1. Kimberly Bertrand, O.D.Katy, TX 774491497873038
  2. Melissa Carcano, O.D.Katy, TX 774491861708950
  3. Zubin Chacko, OD, MBA, MHAKaty, TX 774491689174914
  4. Steven Chau, ODKaty, TX 774491609397181
  5. Dorothy Chou, ODKaty, TX 774491033631478
  6. Preston Davis, O.D.Katy, TX 774491467804641
  7. Matthew Kauffman, O.D.Katy, TX 774491548522105
  8. Liaqat Khalfe, O.DKaty, TX 774491427184753

Common questions

What is Lambert Duong, O.D.'s NPI number?

Lambert Duong, O.D.'s National Provider Identifier (NPI) is 1194151969, issued on Sep 24, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Lambert Duong, O.D. located?

The NPPES record lists a practice address at 20220 Katy Fwy Ste D, Katy, TX, 77449. Phone: (281) 492-6262. Providers update this record themselves, so call before visiting.

How can I verify Lambert Duong, O.D.'s license?

NPPES lists Texas license number 8251T, as entered by the provider. Search the Texas 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.