NPPES file of Aug 9, 2026

Kathy Nguyen-Duong, OD

Optometrist · New York, NY

Kathy Nguyen-Duong, OD is an optometrist with a practice address in New York, New York, and NPI 1689309098, issued on Jul 19, 2022. Check the license (New York 009704, as entered in NPPES) with the New York 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
1689309098
Name
Kathy Nguyen-Duong
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
009704 NY
Self-reported in NPPES; status is on the state search
Practice location
632 Broadway, New York, NY 10012
Phone
(212) 432-5847
Enumerated
Jul 19, 2022
Record last updated
Jun 18, 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 632 Broadway

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

  1. Oishee Bose, MDFamily Medicine Physician1902393507
  2. Katie Britton, DCChiropractor1346500865
  3. Casey Epstein, DPTPhysical Therapist1073171666
  4. Shauna Niemeier, R.N.Family Nurse Practitioner1790135770
  5. Jainishaben Patel, PTPhysical Therapist1851679153
  6. Anna Rozman, D.O., M.B.A.Sports Medicine (Physical Medicine & Rehabilitation) Physician1881014181

Verify Kathy Nguyen-Duong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 009704
    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 New York license search

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77% fewer Medicare Part D claims than the average optometrist in 2024

63 Medicare Part D claims for 29 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.

  1. Kathy Nguyen-Duong63
  2. Specialty average277

Most prescribed

  1. Dorzolamide-Timolol11 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: $2,891.89

16 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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. Kathy Nguyen-Duong$2,891.89
  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.

Kathy Nguyen-Duong among 3,535 optometrist records in New York

Kathy Nguyen-Duong, OD is one of 3,535 optometrist records with a practice address in New York. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 86% of them.

  • NPI issued2022 · 86% of these records are older, 11% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 47% of these records are
  • Record last updated2026 · 66% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Optometrist providers in New York

There are 3,535 optometrist records in New York.

The 8 optometrist records with the nearest ZIP codes

  1. Lamees Alshawkani, O.D.New York, NY 100121780012732
  2. Irene Byun, ODNew York, NY 100121437767167
  3. Danford Davis, O.D.New York, NY 100121063569465
  4. Anh Dinh, O.D.New York, NY 100121184856700
  5. Jiyong Kwon, O.D.New York, NY 100121104981489
  6. Amanda Mammano, ODNew York, NY 100121053795922
  7. Timothy Oh, ODNew York, NY 100121013589795
  8. Vaihari Patel, O.D.New York, NY 100121568643112

Common questions

What is Kathy Nguyen-Duong, OD's NPI number?

Kathy Nguyen-Duong, OD's National Provider Identifier (NPI) is 1689309098, issued on Jul 19, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Kathy Nguyen-Duong, OD located?

The NPPES record lists a practice address at 632 Broadway, New York, NY, 10012. Phone: (212) 432-5847. Providers update this record themselves, so call before visiting.

How can I verify Kathy Nguyen-Duong, OD's license?

NPPES lists New York license number 009704, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Kathy Nguyen-Duong, OD prescribe under Medicare Part D?

In 2024, Kathy Nguyen-Duong, OD had 63 Medicare Part D claims for 29 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.