NPPES file of Aug 9, 2026

Tai A. Nguyen, O.D.

Optometrist · Enfield, CT

Tai A. Nguyen, O.D. is an optometrist with a practice address in Enfield, Connecticut, and NPI 1902937741, issued on Mar 7, 2007. Check the license (Connecticut 002547, as entered in NPPES) with the Connecticut 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
1902937741
Name
Tai A. Nguyen
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
002547 CT
Self-reported in NPPES; status is on the state search
Practice location
90 Elm St, Enfield, CT 06082
Phone
(860) 741-2020
Enumerated
Mar 7, 2007
Record last updated
Feb 1, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(860) 956-8175
Medicare enrollment
Enrolled (PECOS I20040218000210); accepts Medicare assignment
Medical or professional school
New England College Of Optometry, 2000
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 90 Elm St

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

  1. Radha BhargavaPharmacist1851635171
  2. Sharmin Contractor, PHARMACISTPharmacist1073238309
  3. Brian Gresh, R.PH.Pharmacist1497041255
  4. Kimberly HemingwayHearing Instrument Specialist1881067486
  5. Michelle Kososki, RPHPharmacist1437443579
  6. Peter Traygis, LOOptician1740461714

Verify Tai A. Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 002547
    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 Connecticut license search

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82% fewer Medicare Part D claims than the average optometrist in 2024

51 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. Brand-name drugs were 51% of claims.

  1. Tai Nguyen51
  2. Specialty average277

Most prescribed

  1. Restasis16 claims
  2. Neomycin-Polymyxin-Dexameth15 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: $129.20

1 payment: food and beverage; the largest payer was Johnson & Johnson Vision Care, 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. Tai Nguyen$129.20
  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.

Bills Medicare through one group practice

  1. Dr Nguyen Associates LLCWethersfield, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

12 optometrist records list a practice address in Enfield

They are 12 of the 989 NPPES records with a practice address in Enfield, and 675 optometrist records in Connecticut.

Other optometrist records in Connecticut

  1. Annemarie Abramson, O.D.Waterbury, CT1720194764
  2. Aylin Adem, ODNaugatuck, CT1407514631
  3. George Adrian, O.D.Groton, CT1659337145
  4. Douglas Agranov, O.D.Madison, CT1952364465
  5. Shraiy AgrawalGuilford, CT1194565903
  6. Christopher Agro, O.D.Enfield, CT1912977380
  7. Shefali Ahmadi, ODDarien, CT1730656943
  8. Haajra Ahmed, ODManchester, CT1972164010
  9. Amara Akbar, ODSouthbury, CT1558918144
  10. Janine Albanese, O.D.Wallingford, CT1174964076

Common questions

What is Tai A. Nguyen, O.D.'s NPI number?

Tai A. Nguyen, O.D.'s National Provider Identifier (NPI) is 1902937741, issued on Mar 7, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Tai A. Nguyen, O.D. located?

The NPPES record lists a practice address at 90 Elm St, Enfield, CT, 06082. Phone: (860) 741-2020. Providers update this record themselves, so call before visiting.

How can I verify Tai A. Nguyen, O.D.'s license?

NPPES lists Connecticut license number 002547, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

How much does Tai A. Nguyen, O.D. prescribe under Medicare Part D?

In 2024, Tai A. Nguyen, O.D. had 51 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.