NPPES file of Aug 9, 2026

Anh Nguyen, M.D.

Internal Medicine Physician · Houston, TX

Anh Nguyen, M.D. is an internal medicine physician with a practice address in Houston, Texas, and NPI 1114961679, issued on Jun 15, 2006. Check the license (Texas K4756, 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
1114961679
Name
Anh Nguyen
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
K4756 TX
Self-reported in NPPES; status is on the state search
Practice location
4545 Post Oak Place Dr, Houston, TX 77027
Phone
(713) 960-8008
Enumerated
Jun 15, 2006
Record last updated
Sep 3, 2024
Fax
(713) 960-0965
Medicare enrollment
Enrolled (PECOS I20110419000546); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At Houston, 1996
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 4545 Post Oak Place Dr

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

  1. Srijhansi Adusumilli, M.D.Internal Medicine Physician1144260944
  2. Yassar Ahmed, M.D.Internal Medicine Physician1952432544
  3. Olubusola Akinwumi, NPFamily Nurse Practitioner1316300858
  4. Shezi Ali-Kirmani, MDInternal Medicine Physician1235123811
  5. Jasmin Baleva, M.D.Internal Medicine Physician1033144167
  6. Feliscity Bassett, AGNP-CGerontology Nurse Practitioner1871980623

Verify Anh Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K4756
    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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76% fewer Medicare Part D claims than the average internal medicine physician in 2024

755 Medicare Part D claims for 241 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. 48 claims were for opioids.

  1. Anh Nguyen755
  2. Specialty average3,176

Most prescribed

  1. Pantoprazole Sodium46 claims
  2. Gabapentin26 claims
  3. Methocarbamol26 claims
  4. Amoxicillin-Clavulanate Potass24 claims
  5. Furosemide24 claims
  6. Prednisone23 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.

Anh Nguyen among 9,175 internal medicine physician records in Texas

Anh 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
  • Graduated1996 · median 2004 among the 6,088 with a school on file
  • Record last updated2024 · 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).

1,488 internal medicine physician records list a practice address in Houston

They are 1,488 of the 61,221 NPPES records with a practice address in Houston, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Srijhansi Adusumilli, M.D.Houston, TX 770271144260944
  2. Shezi Ali-Kirmani, MDHouston, TX 770271235123811
  3. Rene Del Valle, MDHouston, TX 770271669419966
  4. Michael Eisenberg, M.D.Houston, TX 770271609817162
  5. Nam Hoang, M.D.Houston, TX 770271578563524
  6. Terence Holmes, M.D.Houston, TX 770271134106651
  7. Scott Lisse, MDHouston, TX 770271346245818
  8. Shi-Tze Lu, M.D.Houston, TX 770271215932900

Common questions

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

Anh Nguyen, M.D.'s National Provider Identifier (NPI) is 1114961679, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Anh Nguyen, M.D. located?

The NPPES record lists a practice address at 4545 Post Oak Place Dr, Houston, TX, 77027. Phone: (713) 960-8008. Providers update this record themselves, so call before visiting.

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

NPPES lists Texas license number K4756, 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 Anh Nguyen, M.D. prescribe under Medicare Part D?

In 2024, Anh Nguyen, M.D. had 755 Medicare Part D claims for 241 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.