NPPES file of Aug 9, 2026

Dan Phuong T. Nguyen, O.D

Optometrist · Dorchester, MA

Dan Phuong T. Nguyen, O.D is an optometrist with a practice address in Dorchester, Massachusetts, and NPI 1245692722, issued on Mar 24, 2016. Check the license (Massachusetts OPT5137, as entered in NPPES) with the Massachusetts 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
1245692722
Name
Dan Phuong T. Nguyen
Credential
O.D
Primary taxonomy
Optometrist 152W00000X
License number
OPT5137 MA
Self-reported in NPPES; status is on the state search
Practice location
2110 Dorchester Ave, Dorchester, MA 02124
Phone
(617) 296-1828
Enumerated
Mar 24, 2016
Record last updated
Dec 11, 2023
Medicaid ID
110128327A MA
Medicare enrollment
Enrolled (PECOS I20221228001893); accepts Medicare assignment
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 2110 Dorchester Ave

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

  1. Louise Pecevich, P.A.Physician Assistant1841236353
  2. Claude Resil, M.D.Internal Medicine Physician1639150592

Verify Dan Phuong T. Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license OPT5137
    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 Massachusetts license search

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5.4 times the Medicare Part D claims of the average optometrist in 2024

1,494 Medicare Part D claims for 385 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.

  1. Dan Phuong Nguyen1,494
  2. Specialty average277

Most prescribed

  1. Latanoprost335 claims
  2. Restasis272 claims
  3. Cyclosporine163 claims
  4. Dorzolamide-Timolol114 claims
  5. Prednisolone Acetate113 claims
  6. Ofloxacin97 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: $631.32

25 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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. Dan Phuong Nguyen$631.32
  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. Codman Square Health Center, IncDorchester, MA

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

Dan Phuong T. Nguyen among 1,501 optometrist records in Massachusetts

Dan Phuong T. Nguyen, O.D is one of 1,501 optometrist records with a practice address in Massachusetts. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 73% of them.

  • NPI issued2016 · 73% of these records are older, 25% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2015 · median 2008 among the 933 with a school on file
  • Record last updated2023 · 64% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

16 optometrist records list a practice address in Dorchester

They are 16 of the 1,663 NPPES records with a practice address in Dorchester, and 1,501 optometrist records in Massachusetts.

The 8 optometrist records with the nearest ZIP codes

  1. Diane Russo, ODDorchester, MA 021241174839146
  2. Eliot Cohen, O.D.Dorchester, MA 021251366430779
  3. Aurora Denial, ODDorchester, MA 021251619957602
  4. Brandon Harris, O.D.Dorchester, MA 021251114258209
  5. Theresa Lam, O.D.Boston, MA 021251326591801
  6. Jennifer LeDorchester, MA 021251538599014
  7. Bina Patel, ODDorchester, MA 021251184600173
  8. Lindsay Braun, O.D.Dorchester, MA 021221669727095

Common questions

What is Dan Phuong T. Nguyen, O.D's NPI number?

Dan Phuong T. Nguyen, O.D's National Provider Identifier (NPI) is 1245692722, issued on Mar 24, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Dan Phuong T. Nguyen, O.D located?

The NPPES record lists a practice address at 2110 Dorchester Ave, Dorchester, MA, 02124. Phone: (617) 296-1828. Providers update this record themselves, so call before visiting.

How can I verify Dan Phuong T. Nguyen, O.D's license?

NPPES lists Massachusetts license number OPT5137, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Dan Phuong T. Nguyen, O.D prescribe under Medicare Part D?

In 2024, Dan Phuong T. Nguyen, O.D had 1,494 Medicare Part D claims for 385 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.