NPPES file of Aug 9, 2026

Brian Hieu Nguyen, MD

Internal Medicine Physician · Dallas, TX

Brian Hieu Nguyen, MD is an internal medicine physician with a practice address in Dallas, Texas, and NPI 1902393366, issued on Apr 20, 2018. Check the license (Texas 1404812417, 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
1902393366
Name
Brian Hieu Nguyen
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
1404812417 TX
Self-reported in NPPES; status is on the state search
Practice location
1222 N Bishop Ave Ste 300, Dallas, TX 75208
Phone
(214) 941-1353
Enumerated
Apr 20, 2018
Record last updated
Aug 12, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(214) 941-1047
Medicare enrollment
Enrolled (PECOS I20210720003407); 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.
Download card Updates feed

Also registered at 1222 N Bishop Ave Ste 300

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

  1. Lauren AusamaInternal Medicine Physician1194258780
  2. Lissy Joseph, FNPFamily Nurse Practitioner1871004101
  3. David Mason, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1083678155
  4. Dan Meyer, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1114982915
  5. Basilia Oseguera, MDFamily Medicine Physician1275158891
  6. Jagadeshwar Reddy, M.D.Pulmonary Disease Physician1649250960

Verify Brian Hieu Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license 1404812417
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

55% more Medicare Part D claims than the average internal medicine physician in 2024

4,920 Medicare Part D claims for 390 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 84 claims were for opioids.

  1. Brian Nguyen4,920
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium403 claims
  2. Amlodipine Besylate230 claims
  3. Levothyroxine Sodium137 claims
  4. Losartan Potassium136 claims
  5. Pantoprazole Sodium118 claims
  6. Metformin Hcl107 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: $948.97

50 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Brian Nguyen$948.97
  2. Specialty average$1,303.06

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

Bills Medicare through 3 group practices

  1. Homeheal PARed Oak, TX
  2. Maryam Raza MD PADallas, TX
  3. MedhealthDallas, TX

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

Brian Hieu Nguyen among 9,175 internal medicine physician records in Texas

Brian Hieu Nguyen, MD is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 79% of them.

  • NPI issued2018 · 79% of these records are older, 18% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2018 · median 2004 among the 6,088 with a school on file
  • Record last updated2021 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

956 internal medicine physician records list a practice address in Dallas

They are 956 of the 36,304 NPPES records with a practice address in Dallas, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Cesar Albarracin, MDDallas, TX 752081457331456
  2. John Brand, M.D.Dallas, TX 752081023042488
  3. Pedro Cruz, MDDallas, TX 752081689604217
  4. Jerry Davis, M.D.Dallas, TX 752081972521318
  5. Rogers Fair, MDDallas, TX 752081063476463
  6. Stephen Hines, MDDallas, TX 752081699750372
  7. Kimberly Johnson, D.O.Dallas, TX 752081538109509
  8. Gail McLauchlan, M.D.Dallas, TX 752081730112780

Common questions

What is Brian Hieu Nguyen, MD's NPI number?

Brian Hieu Nguyen, MD's National Provider Identifier (NPI) is 1902393366, issued on Apr 20, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Brian Hieu Nguyen, MD located?

The NPPES record lists a practice address at 1222 N Bishop Ave Ste 300, Dallas, TX, 75208. Phone: (214) 941-1353. Providers update this record themselves, so call before visiting.

How can I verify Brian Hieu Nguyen, MD's license?

NPPES lists Texas license number 1404812417, 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 Brian Hieu Nguyen, MD prescribe under Medicare Part D?

In 2024, Brian Hieu Nguyen, MD had 4,920 Medicare Part D claims for 390 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.