Thanh Diep Nguyen, M.D.
Internal Medicine Physician · Mesa, AZ
Thanh Diep Nguyen, M.D. is an internal medicine physician with a practice address in Mesa, Arizona, and NPI 1508945569, issued on Nov 2, 2006. Check the license (Arizona 36194, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Thanh Diep Nguyen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 36194 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1155 S Country Club Dr, Mesa, AZ 85210
- Phone
- (602) 632-0000
- Enumerated
- Nov 2, 2006
- Record last updated
- Dec 30, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 1155 S Country Club Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ambrosia Boyd, FNPFamily Nurse Practitioner1336647692
Verify Thanh Diep Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 36194Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
19 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Metformin Hcl12 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.
Thanh Diep Nguyen among 2,853 internal medicine physician records in Arizona
Thanh Diep Nguyen, M.D. is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2020 · 51% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
157 internal medicine physician records list a practice address in Mesa
They are 157 of the 9,151 NPPES records with a practice address in Mesa, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Mesa → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Supriya Bhandari, M.D.Mesa, AZ 852101033643655
- Chelsea CarlsonMesa, AZ 852101336645084
- Vijay Gill, MDMesa, AZ 852101689647547
- Ali Imran, M.D.Mesa, AZ 852101861929580
- Mehak Akhter, MDMesa, AZ 852091720609852
- Rodrigo Alvarez, DOMesa, AZ 852091336717321
- Matthew Au, MDMesa, AZ 852091013654664
- Akira Folk, DOMesa, AZ 852091275221301
Common questions
What is Thanh Diep Nguyen, M.D.'s NPI number?
Thanh Diep Nguyen, M.D.'s National Provider Identifier (NPI) is 1508945569, issued on Nov 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thanh Diep Nguyen, M.D. located?
The NPPES record lists a practice address at 1155 S Country Club Dr, Mesa, AZ, 85210. Phone: (602) 632-0000. Providers update this record themselves, so call before visiting.
How can I verify Thanh Diep Nguyen, M.D.'s license?
NPPES lists Arizona license number 36194, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thanh Diep Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Thanh Diep Nguyen, M.D. had 19 Medicare Part D claims; 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.