Michael Thanh Nguyen, M.D.
Internal Medicine Physician · Galveston, TX
Michael Thanh Nguyen, M.D. is an internal medicine physician with a practice address in Galveston, Texas, and NPI 1174547319, issued on Jul 27, 2006. Check the license (Texas M3667, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Michael Thanh Nguyen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- M3667 TX
Self-reported in NPPES; status is on the state search - Practice location
- 301 University Blvd, Galveston, TX 77555
- Phone
- (409) 772-2222
- Enumerated
- Jul 27, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20060912000088); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 301 University Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael Thanh Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M3667Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,988 Medicare Part D claims for 394 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. 88 claims were for opioids.
Most prescribed
- Atorvastatin Calcium179 claims
- Amlodipine Besylate158 claims
- Rosuvastatin Calcium120 claims
- Levothyroxine Sodium96 claims
- Losartan Potassium86 claims
- Hydrochlorothiazide83 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 75 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Utmb Faculty Group PracticeLeague City, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Thanh Nguyen among 9,175 internal medicine physician records in Texas
Michael Thanh 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 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).
218 internal medicine physician records list a practice address in Galveston
They are 218 of the 2,532 NPPES records with a practice address in Galveston, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Galveston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sunil Amalraj, MDGalveston, TX 775551558420331
- Megan Berman, MDGalveston, TX 775551659456226
- Thomas Blackwell, MDGalveston, TX 775551659430478
- Peter Cram, MDGalveston, TX 775551437132883
- Karen Hansen, MDGalveston, TX 775551811055445
- Mark Holden, MDGalveston, TX 775551447319991
- Bernard Karnath, MDGalveston, TX 775551285793760
- Russell Laforte, MDGalveston, TX 775551972662450
Common questions
What is Michael Thanh Nguyen, M.D.'s NPI number?
Michael Thanh Nguyen, M.D.'s National Provider Identifier (NPI) is 1174547319, issued on Jul 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Thanh Nguyen, M.D. located?
The NPPES record lists a practice address at 301 University Blvd, Galveston, TX, 77555. Phone: (409) 772-2222. Providers update this record themselves, so call before visiting.
How can I verify Michael Thanh Nguyen, M.D.'s license?
NPPES lists Texas license number M3667, 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 Michael Thanh Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Michael Thanh Nguyen, M.D. had 2,988 Medicare Part D claims for 394 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Michael Thanh Nguyen, M.D.'s MIPS final score?
The 2023 MIPS final score is 75 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.