Tai Nhan Nguyen
Internal Medicine Physician · Houston, TX
Tai Nhan Nguyen is an internal medicine physician with a practice address in Houston, Texas, and NPI 1982659629, issued on May 23, 2006. Check the license (Texas J8695, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Tai Nhan Nguyen
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- J8695 TX
Self-reported in NPPES; status is on the state search - Practice location
- 11920 Astoria Blvd, Houston, TX 77089
- Phone
- (281) 481-8878
- Enumerated
- May 23, 2006
- Record last updated
- Nov 7, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (281) 481-9020
- Medicare enrollment
- Enrolled (PECOS I20100907000429); accepts Medicare assignment
- Medical or professional school
- Texas Tech University Health Science Center School Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 11920 Astoria Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ruba Girgis, PHARM.D.Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1992036107
Verify Tai Nhan Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license J8695Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average internal medicine physician in 2024
10,017 Medicare Part D claims for 548 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 70 claims were for opioids.
Most prescribed
- Atorvastatin Calcium876 claims
- Amlodipine Besylate404 claims
- Lisinopril378 claims
- Losartan Potassium335 claims
- Metformin Hcl304 claims
- Metoprolol Succinate298 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: $265.43
13 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. 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.
Bills Medicare through one group practice
- Progressive Medical Clinic LLPHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tai Nhan Nguyen among 9,175 internal medicine physician records in Texas
Tai Nhan Nguyen 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
- Graduated1994 · 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).
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 →
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- Hung Le, M.D.Houston, TX 770891811978182
- Aslam Loya, M.D.Houston, TX 770891700878816
Common questions
What is Tai Nhan Nguyen's NPI number?
Tai Nhan Nguyen's National Provider Identifier (NPI) is 1982659629, issued on May 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tai Nhan Nguyen located?
The NPPES record lists a practice address at 11920 Astoria Blvd, Houston, TX, 77089. Phone: (281) 481-8878. Providers update this record themselves, so call before visiting.
How can I verify Tai Nhan Nguyen's license?
NPPES lists Texas license number J8695, 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 Tai Nhan Nguyen prescribe under Medicare Part D?
In 2024, Tai Nhan Nguyen had 10,017 Medicare Part D claims for 548 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.