Thuy T. T. Nguyen, M.D.
Internal Medicine Physician · Oklahoma City, OK
Thuy T. T. Nguyen, M.D. is an internal medicine physician with a practice address in Oklahoma City, Oklahoma, and NPI 1528137304, issued on Nov 7, 2006. Check the license (Oklahoma 20095, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Thuy T. T. Nguyen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 20095 OK
20094 OK
Self-reported in NPPES; status is on the state search - Practice location
- 3109 N Penn Ave, Oklahoma City, OK 73112
- Phone
- (405) 524-8262
- Enumerated
- Nov 7, 2006
- Record last updated
- Jan 29, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (405) 605-6396
- Medicaid ID
- 100138040B OK
- Medicare enrollment
- Enrolled (PECOS I20070501000225); accepts Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,115 in Oklahoma → Look up another NPI →
Verify Thuy T. T. Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 20095Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average internal medicine physician in 2024
8,711 Medicare Part D claims for 556 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.
Most prescribed
- Atorvastatin Calcium567 claims
- Montelukast Sodium425 claims
- Losartan Potassium386 claims
- Gabapentin378 claims
- Amlodipine Besylate371 claims
- Omeprazole324 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.
Thuy T. T. Nguyen among 1,115 internal medicine physician records in Oklahoma
Thuy T. T. Nguyen, M.D. is one of 1,115 internal medicine physician records with a practice address in Oklahoma. 77% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 57% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1995 · median 2007 among the 653 with a school on file
- Record last updated2013 · 56% 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 Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
418 internal medicine physician records list a practice address in Oklahoma City
They are 418 of the 22,359 NPPES records with a practice address in Oklahoma City, and 1,115 internal medicine physician records in Oklahoma.
All 1,115 in Oklahoma → Every provider in Oklahoma City → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jack Butler, DOOklahoma City, OK 731121316925449
- Shabbir Chaudhry Inc, M.D.Oklahoma City, OK 731121487613865
- Darlene Foster, MDOklahoma City, OK 731121194717132
- Erin Glasgow, MDOklahoma City, OK 731121780621136
- Allen Hamaker, MDOkc, OK 731121326028663
- Kristopher Lepere, D.O.Oklahoma City, OK 731121568461317
- Long Nguyen, M.D.Oklahoma City, OK 731121811956006
- Neena Philip, MDOklahoma City, OK 731121346244365
Common questions
What is Thuy T. T. Nguyen, M.D.'s NPI number?
Thuy T. T. Nguyen, M.D.'s National Provider Identifier (NPI) is 1528137304, issued on Nov 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thuy T. T. Nguyen, M.D. located?
The NPPES record lists a practice address at 3109 N Penn Ave, Oklahoma City, OK, 73112. Phone: (405) 524-8262. Providers update this record themselves, so call before visiting.
How can I verify Thuy T. T. Nguyen, M.D.'s license?
NPPES lists Oklahoma license number 20095, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thuy T. T. Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Thuy T. T. Nguyen, M.D. had 8,711 Medicare Part D claims for 556 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.