NPPES file of Aug 9, 2026

Nam Duy Nguyen, D.O.

Rheumatology Physician · Philadelphia, PA

Nam Duy Nguyen, D.O. is a rheumatology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1770902744, issued on Apr 7, 2014. Check the license (Pennsylvania OS023154, as entered in NPPES) on the Pennsylvania Department of State (PALS); 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
1770902744
Name
Nam Duy Nguyen
Credential
D.O.
Primary taxonomy
Rheumatology Physician 207RR0500X
License numbers
OS023154 PA
25MB12139400 NJ
0102204326 VA
Self-reported in NPPES; status is on the state search
Practice location
3900 Woodland Ave, Philadelphia, PA 19104
Phone
(215) 823-5800
Enumerated
Apr 7, 2014
Record last updated
Jan 24, 2025
Medicare enrollment
Enrolled (PECOS I20240517002069); 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 3900 Woodland Ave

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

  1. Kate AbramsonClinical Social Worker1326801457
  2. Erin Abrigo, PH.D.Clinical Psychologist1710380290
  3. Chinyere Achi, CRNPAdult Health Nurse Practitioner1164533469
  4. Gunsel Acikgoz, MDDiagnostic Radiology Physician1225062334
  5. Kate Acker, CRNPNurse Practitioner1922876408
  6. Tiffany Adeleke, PHARMDPharmacist1194334011

Verify Nam Duy Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license OS023154
    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 Pennsylvania 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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98% fewer Medicare Part D claims than the average rheumatology physician in 2024

30 Medicare Part D claims, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.

  1. Nam Nguyen30
  2. Specialty average1,978

Most prescribed

  1. Actemra Actpen11 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. University OF Penn - Medical GroupPhiladelphia, PA

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

Nam Duy Nguyen among 413 rheumatology physician records in Pennsylvania

Nam Duy Nguyen, D.O. is one of 413 rheumatology physician records with a practice address in Pennsylvania. 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 2014, is newer than 81% of them.

  • NPI issued2014 · 81% of these records are older, 18% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2014 · median 2004 among the 275 with a school on file
  • Record last updated2025 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in Pennsylvania

There are 413 rheumatology physician records in Pennsylvania.

The 8 rheumatology physician records with the nearest ZIP codes

  1. David Allan, MDPhiladelphia, PA 191041376518233
  2. Androniki Bili, M.D.Philadelphia, PA 191041104802719
  3. Belinda Birnbaum, MDPhiladelphia, PA 191041669469573
  4. Geo Derimanov, MDPhiladelphia, PA 191041932135407
  5. Jonathan Dunham, MDPhiladelphia, PA 191041376583310
  6. Robert Eisenberg, MDPhiladelphia, PA 191041881630911
  7. Benjamin Hsu, MDPhiladelphia, PA 191041487698023
  8. William Kelley, MDPhiladelphia, PA 191041710914700

Common questions

What is Nam Duy Nguyen, D.O.'s NPI number?

Nam Duy Nguyen, D.O.'s National Provider Identifier (NPI) is 1770902744, issued on Apr 7, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Nam Duy Nguyen, D.O. located?

The NPPES record lists a practice address at 3900 Woodland Ave, Philadelphia, PA, 19104. Phone: (215) 823-5800. Providers update this record themselves, so call before visiting.

How can I verify Nam Duy Nguyen, D.O.'s license?

NPPES lists Pennsylvania license number OS023154, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Nam Duy Nguyen, D.O. prescribe under Medicare Part D?

In 2024, Nam Duy Nguyen, D.O. had 30 Medicare Part D claims; the average among rheumatology physician prescribers was 1,978. 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.