NPPES file of Aug 9, 2026

Huyen Thi Nguyen, M.D.

Internal Medicine Physician · Live Oak, TX

Huyen Thi Nguyen, M.D. is an internal medicine physician with a practice address in Live Oak, Texas, and NPI 1629167929, issued on Oct 12, 2006. Check the license (Texas J9241, 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
1629167929
Name
Huyen Thi Nguyen
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
J9241 TX
Self-reported in NPPES; status is on the state search
Practice location
12501 Judson RD, Live Oak, TX 78233
Phone
(210) 599-4086
Enumerated
Oct 12, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(210) 655-1401
Medicaid ID
1486268-01 TX
Medicare enrollment
Enrolled (PECOS I20070913000518); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At San Antonio, 1992
Telehealth
Offers telehealth (CMS)
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 12501 Judson RD

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

  1. Phillip Cosby, PHYSICIAN ASSISTANTMedical Physician Assistant1912997347
  2. Basel Dabas, M.D.Hematology & Oncology Physician1447208384
  3. Richard Nevill, P.A.Physician Assistant1831126937

Verify Huyen Thi Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license J9241
    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.

43% more Medicare Part D claims than the average internal medicine physician in 2024

4,537 Medicare Part D claims for 294 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 35 claims were for opioids.

  1. Huyen Nguyen4,537
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium354 claims
  2. Levothyroxine Sodium235 claims
  3. Losartan Potassium200 claims
  4. Amlodipine Besylate179 claims
  5. Metformin Hcl166 claims
  6. Rosuvastatin Calcium160 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: $15.52

1 payment: 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. Huyen Nguyen$15.52
  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 one group practice

  1. Flagship Medical GroupLive Oak, TX

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

Huyen Thi Nguyen among 9,175 internal medicine physician records in Texas

Huyen Thi Nguyen, M.D. 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 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 59% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1992 · median 2004 among the 6,088 with a school on file
  • Record last updated2007 · 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).

14 internal medicine physician records list a practice address in Live Oak

They are 14 of the 632 NPPES records with a practice address in Live Oak, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Fahd Almohid, M.D.Live Oak, TX 782331346669587
  2. Randy Bergman, M.D.Live Oak, TX 782331457401101
  3. Rebecca Cook, DOLive Oak, TX 782331750878815
  4. Barbara Forseth, MDLive Oak, TX 782331114077161
  5. Nazish Ismail, M.D.Live Oak, TX 782331619105962
  6. Nadine Liu, D.O.Live Oak, TX 782331033165634
  7. Harmeet Mangat, M.D.Live Oak, TX 782331992856272
  8. Erica Onwuegbuchu, MDSan Antonio, TX 782331538516935

Common questions

What is Huyen Thi Nguyen, M.D.'s NPI number?

Huyen Thi Nguyen, M.D.'s National Provider Identifier (NPI) is 1629167929, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Huyen Thi Nguyen, M.D. located?

The NPPES record lists a practice address at 12501 Judson RD, Live Oak, TX, 78233. Phone: (210) 599-4086. Providers update this record themselves, so call before visiting.

How can I verify Huyen Thi Nguyen, M.D.'s license?

NPPES lists Texas license number J9241, 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 Huyen Thi Nguyen, M.D. prescribe under Medicare Part D?

In 2024, Huyen Thi Nguyen, M.D. had 4,537 Medicare Part D claims for 294 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.