NPPES file of Aug 9, 2026

Tam Nguyen, MD

Cardiovascular Disease Physician · San Antonio, TX

Tam Nguyen, MD is a cardiovascular disease physician with a practice address in San Antonio, Texas, and NPI 1154550937, issued on Jul 14, 2009. Check the license (Texas Q5235, as entered in NPPES) on the Texas Medical Board; 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
1154550937
Name
Tam Nguyen
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
Q5235 TX
Self-reported in NPPES; status is on the state search
Practice location
8300 Floyd Curl Dr, San Antonio, TX 78229
Phone
(210) 450-4888
Enumerated
Jul 14, 2009
Record last updated
Jan 19, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicaid ID
352382101 TX
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 8300 Floyd Curl Dr

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

  1. Queenie Ann Abad, M.D.Internal Medicine Physician1174979785
  2. Fareeha Abdulwali, MDInternal Medicine Physician1629730767
  3. Jason Adams, PA-CPhysician Assistant1033364500
  4. Shah-Hinan Ahmed, MDInterventional Cardiology Physician1245262377
  5. Fadi Al-Saiegh, M.D.Neurological Surgery Physician1124415856
  6. Yasmin Alishahi, M.D.Gastroenterology Physician1306046388

Verify Tam Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license Q5235
    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.

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Industry payments in 2024: $160.38

7 payments; by number, the most common kind was food and beverage; the largest payer was Daiichi Sankyo Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tam Nguyen$160.38
  2. Specialty average$3,819.56

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Tam Nguyen among 1,603 cardiovascular disease physician records in Texas

Tam Nguyen, MD is one of 1,603 cardiovascular disease physician records with a practice address in Texas. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 72% of them.

  • NPI issued2009 · 72% of these records are older, 25% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileNo · 76% of these records are
  • Record last updated2016 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Texas

There are 1,603 cardiovascular disease physician records in Texas.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Prasantha Bathini, MDSan Antonio, TX 782291710977673
  2. Richard Baum, MDSan Antonio, TX 782291013994987
  3. Paul Celio, MDSan Antonio, TX 782291023095965
  4. Mirhassan Farivar-Mohseni, M.D.San Antonio, TX 782291225037799
  5. Scott Harris, M.D.San Antonio, TX 782291992704258
  6. Janet Hays, MDSan Antonio, TX 782291326026436
  7. Mary Jo Hull, M.D.San Antonio, TX 782291356326938
  8. John Mulrow, MDSan Antonio, TX 782291043297922

Common questions

What is Tam Nguyen, MD's NPI number?

Tam Nguyen, MD's National Provider Identifier (NPI) is 1154550937, issued on Jul 14, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Tam Nguyen, MD located?

The NPPES record lists a practice address at 8300 Floyd Curl Dr, San Antonio, TX, 78229. Phone: (210) 450-4888. Providers update this record themselves, so call before visiting.

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

NPPES lists Texas license number Q5235, 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.

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.