Nghia C. Nguyen, M.D.
Internal Medicine Physician · Houston, TX
Nghia C. Nguyen, M.D. is an internal medicine physician with a practice address in Houston, Texas, and NPI 1922042977, issued on Jun 16, 2006. Check the license (Texas M4397, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nghia C. Nguyen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- M4397 TX
A88338 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7015 Almeda RD, Houston, TX 77054
- Phone
- (713) 582-8831
- Enumerated
- Jun 16, 2006
- Record last updated
- Mar 2, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20061023000071); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 7015 Almeda RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nghia C. Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M4397Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14.7 times the Medicare Part D claims of the average internal medicine physician in 2024
46,597 Medicare Part D claims for 1,509 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 518 claims were for opioids.
Most prescribed
- Atorvastatin Calcium2,384 claims
- Amlodipine Besylate1,649 claims
- Losartan Potassium1,469 claims
- Fluticasone Propionate1,438 claims
- Levocetirizine Dihydrochloride1,117 claims
- Famotidine1,053 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: $64.84
3 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Nghia C. Nguyen among 9,175 internal medicine physician records in Texas
Nghia C. 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
- Graduated2003 · median 2004 among the 6,088 with a school on file
- Record last updated2012 · 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.
All 9,175 in Texas → Every provider in Houston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Richard Carney, MDHouston, TX 770541124018544
- Adil Cheema, M.D.Houston, TX 770541376554535
- Donnie Evans, M.D.Houston, TX 770541568578789
- Howard Grant, MDHouston, TX 770541205940665
- Olendruff Johnson, M.D.Houston, TX 770541730186669
- Joel Kneitz, MDHouston, TX 770541356327498
- Christopher Lockhart, M.D.Houston, TX 770541336180504
- Kavita Patel, M.D.Houston, TX 770541962591503
Common questions
What is Nghia C. Nguyen, M.D.'s NPI number?
Nghia C. Nguyen, M.D.'s National Provider Identifier (NPI) is 1922042977, issued on Jun 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nghia C. Nguyen, M.D. located?
The NPPES record lists a practice address at 7015 Almeda RD, Houston, TX, 77054. Phone: (713) 582-8831. Providers update this record themselves, so call before visiting.
How can I verify Nghia C. Nguyen, M.D.'s license?
NPPES lists Texas license number M4397, 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 Nghia C. Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Nghia C. Nguyen, M.D. had 46,597 Medicare Part D claims for 1,509 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.