Thuthuy Thi Nguyen, M.D.
Internal Medicine Physician · Euless, TX
Thuthuy Thi Nguyen, M.D. is an internal medicine physician with a practice address in Euless, Texas, and NPI 1467457572, issued on Jun 15, 2005. Check the license (Texas K-3819, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Thuthuy Thi Nguyen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- K-3819 TX
K3619 TX
Self-reported in NPPES; status is on the state search - Practice location
- 479 Westpark Way, Euless, TX 76040
- Phone
- (817) 358-5500
- Enumerated
- Jun 15, 2005
- Record last updated
- Mar 31, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (817) 358-5511
- Medicare enrollment
- Enrolled (PECOS I20060113000274); accepts Medicare assignment
- Medical or professional school
- Texas Tech University Health Science Center School Of Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 479 Westpark Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gloria Anding, M.D.Internal Medicine Physician1245235621
- Ronald Chio, MDInternal Medicine Physician1780620823
- Charli Mella, M.D.Internal Medicine Physician1699203125
Verify Thuthuy Thi Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K-3819Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% more Medicare Part D claims than the average internal medicine physician in 2024
3,904 Medicare Part D claims for 251 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 33 claims were for opioids.
Most prescribed
- Levothyroxine Sodium226 claims
- Rosuvastatin Calcium206 claims
- Losartan Potassium173 claims
- Metformin Hcl147 claims
- Atorvastatin Calcium136 claims
- Amlodipine Besylate129 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: $968.82
56 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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
- Catalyst Physician Group - Ntx, PLLCEuless, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thuthuy Thi Nguyen among 9,175 internal medicine physician records in Texas
Thuthuy 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1995 · median 2004 among the 6,088 with a school on file
- Record last updated2011 · 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).
20 internal medicine physician records list a practice address in Euless
They are 20 of the 387 NPPES records with a practice address in Euless, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Euless → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Gloria Anding, M.D.Euless, TX 760401245235621
- Marty Buchanan, M.D.Euless, TX 760401649275744
- Stephen Buksh, M.D.Euless, TX 760401427053396
- Gloria Cha, M.D.Euless, TX 760401720026693
- Marc Chapman, M.D.Euless, TX 760401679578777
- Ronald Chio, MDEuless, TX 760401780620823
- Navneet Gill, MDEuless, TX 760401669456414
- Michael Karing, M.D.Euless, TX 760401356346746
Common questions
What is Thuthuy Thi Nguyen, M.D.'s NPI number?
Thuthuy Thi Nguyen, M.D.'s National Provider Identifier (NPI) is 1467457572, issued on Jun 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Thuthuy Thi Nguyen, M.D. located?
The NPPES record lists a practice address at 479 Westpark Way, Euless, TX, 76040. Phone: (817) 358-5500. Providers update this record themselves, so call before visiting.
How can I verify Thuthuy Thi Nguyen, M.D.'s license?
NPPES lists Texas license number K-3819, 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 Thuthuy Thi Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Thuthuy Thi Nguyen, M.D. had 3,904 Medicare Part D claims for 251 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.