NPPES file of Aug 9, 2026

Duy Duc Nguyen, MD

Family Medicine Physician · Worcester, MA

Duy Duc Nguyen, MD is a family medicine physician with a practice address in Worcester, Massachusetts, and NPI 1336677863, issued on May 29, 2017. Check the license (Massachusetts 285811, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; 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
1336677863
Name
Duy Duc Nguyen
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
285811 MA
Self-reported in NPPES; status is on the state search
Practice location
26 Queen St, Worcester, MA 01610
Phone
(508) 860-7800
Enumerated
May 29, 2017
Record last updated
May 11, 2026
Fax
(508) 860-7865
Medicare enrollment
Enrolled (PECOS I20201218000810); may accept 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 26 Queen St

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

  1. Kevin Abraham, M.D.Family Medicine Physician1689037673
  2. Albertha Adwetewa-Badu, FNP-BC, FNP-CFamily Nurse Practitioner1427238260
  3. Hiyam Ahmed, MBBSStudent in an Organized Health Care Education/Training Program1669266300
  4. Ime Akpan-MahoneyRegistered Nurse1952732547
  5. Benjamin Alfred, NPPrimary Care Nurse Practitioner1366778953
  6. Bronwyn Alfred, FNPFamily Nurse Practitioner1164843843

Verify Duy Duc Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 285811
    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
Open the Massachusetts 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.

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94% fewer Medicare Part D claims than the average family medicine physician in 2024

226 Medicare Part D claims for 97 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Duy Nguyen226
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium20 claims
  2. Fluticasone Propionate17 claims
  3. Naproxen15 claims
  4. Diclofenac Sodium13 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.

Bills Medicare through one group practice

  1. Family Health Center OF Worcester, Inc.Worcester, MA

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

Duy Duc Nguyen among 2,265 family medicine physician records in Massachusetts

Duy Duc Nguyen, MD is one of 2,265 family medicine physician records with a practice address in Massachusetts. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 78% of them.

  • NPI issued2017 · 78% of these records are older, 19% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2016 · median 2006 among the 1,529 with a school on file
  • 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 207Q00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

168 family medicine physician records list a practice address in Worcester

They are 168 of the 13,166 NPPES records with a practice address in Worcester, and 2,265 family medicine physician records in Massachusetts.

The 8 family medicine physician records with the nearest ZIP codes

  1. Philip Bolduc, MDWorcester, MA 016101669460051
  2. Lucy Candib, MDWorcester, MA 016101093726382
  3. Lisa Carter, FAMILY PRACTICEWorcester, MA 016101972514180
  4. Penelope Dillon, FNP-C ,PSYCH NP-C, CWorcester, MA 016101558393330
  5. Warren Ferguson, M.D.Worcester, MA 016101447312798
  6. Lisa Gussak, M.D.Worcester, MA 016101780667543
  7. Quang Le, M.D.Worcester, MA 016101578665998
  8. Valerie Pietry, FAMILY PRACTICEWorcester, MA 016101356352439

Common questions

What is Duy Duc Nguyen, MD's NPI number?

Duy Duc Nguyen, MD's National Provider Identifier (NPI) is 1336677863, issued on May 29, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Duy Duc Nguyen, MD located?

The NPPES record lists a practice address at 26 Queen St, Worcester, MA, 01610. Phone: (508) 860-7800. Providers update this record themselves, so call before visiting.

How can I verify Duy Duc Nguyen, MD's license?

NPPES lists Massachusetts license number 285811, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Duy Duc Nguyen, MD prescribe under Medicare Part D?

In 2024, Duy Duc Nguyen, MD had 226 Medicare Part D claims for 97 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.