Registry data as of Aug 27, 2026

Luc Nguyen, MD

Rheumatology Physician · San Antonio, TX

Luc Nguyen, MD is a rheumatology physician with a practice address in San Antonio, Texas, and NPI 1104088848, issued on Jun 25, 2008. Check the license (Texas N9104, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1104088848
Name
Luc Nguyen
Credential
MD
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
N9104 TX
Self-reported in NPPES; status is on the state search
Practice location
4502 Medical Dr, San Antonio, TX 78229
Phone
(210) 358-2015
Enumerated
Jun 25, 2008
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 4502 Medical Dr

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

  1. Aaron Abarbanell, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1245497809
  2. Ayham AbdelAnesthesiology Physician1467147496
  3. Ali Abedi, M.D.Internal Medicine Physician1346566312
  4. Jordan Abel, M.D.Infectious Disease Physician1417273301
  5. Aesha Aboueisha, MDInternal Medicine Physician1225527815
  6. Seena Abraham, MDStudent in an Organized Health Care Education/Training Program1306338561

Verify Luc Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license N9104
    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 Texas 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.

88% fewer Medicare Part D claims than the average rheumatology physician in 2024

239 Medicare Part D claims for 51 beneficiaries, against an average of 2,058 among the 4,833 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Luc Nguyen239
  2. Specialty average2,058

Most prescribed

  1. Methotrexate44 claims
  2. Prednisone41 claims
  3. Hydroxychloroquine Sulfate26 claims
  4. Azathioprine18 claims
  5. Cevimeline Hcl16 claims
  6. Sulfasalazine14 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.

Rheumatology Physician providers in Texas

There are 417 rheumatology physician records in Texas.

Other rheumatology physician records in Texas

  1. Michael Abel, MDFredericksburg, TX1841270204
  2. Tareq Abou-Khamis, M.D.Houston, TX1851587612
  3. Robert Abresch, M.D.El Paso, TX1285628677
  4. Sampada Acharya, MDFort Worth, TX1033422662
  5. Waffiyah Afridi, M.D.Farmers Branch, TX1346400686
  6. Zeeshan Afzal, M.D.El Paso, TX1649586256
  7. Martha Aguilar, M.D.Houston, TX1750488805
  8. Syed Alam, MDHouston, TX1396179677
  9. Ann Aleman Weinmann, MDCorpus Christi, TX1982660338
  10. Hiba Ali, MDPasadena, TX1679969448

Common questions

What is Luc Nguyen, MD's NPI number?

Luc Nguyen, MD's National Provider Identifier (NPI) is 1104088848, issued on Jun 25, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Luc Nguyen, MD located?

The NPPES record lists a practice address at 4502 Medical Dr, San Antonio, TX, 78229. Phone: (210) 358-2015. Providers update this record themselves, so call before visiting.

How can I verify Luc Nguyen, MD's license?

NPPES lists Texas license number N9104, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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

In 2024, Luc Nguyen, MD had 239 Medicare Part D claims for 51 beneficiaries; the average among rheumatology physician prescribers was 2,058. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.