Truman Nguyen, MD
Internal Medicine Physician · Iowa City, IA
Truman Nguyen, MD is an internal medicine physician with a practice address in Iowa City, Iowa, and NPI 1285201855, issued on Jun 10, 2021. Check the license (Iowa R-12184, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Truman Nguyen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- R-12184 IA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Hawkins Dr, Iowa City, IA 52242
- Phone
- (319) 356-8133
- Enumerated
- Jun 10, 2021
- Record last updated
- Jan 30, 2025
- Fax
- (319) 356-8280
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 871 in Iowa → Look up another NPI →
Also registered at 200 Hawkins Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Truman Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license R-12184Check 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
44 Medicare Part D claims for 12 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Truman Nguyen among 871 internal medicine physician records in Iowa
Truman Nguyen, MD is one of 871 internal medicine physician records with a practice address in Iowa. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 70% of them.
- NPI issued2021 · 70% of these records are older, 27% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 44% of these records are
- Record last updated2025 · 46% 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 Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
215 internal medicine physician records list a practice address in Iowa City
They are 215 of the 7,163 NPPES records with a practice address in Iowa City, and 871 internal medicine physician records in Iowa.
All 871 in Iowa → Every provider in Iowa City → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Thad Abrams, MDIowa City, IA 522421326022385
- Susan Beebout, MDIowa City, IA 522421790767127
- Christopher Goerdt, MDIowa City, IA 522421548258163
- William Haynes, MDIowa City, IA 522421083602601
- William Iverson, MDIowa City, IA 522421346238904
- Peter Kaboli, MDIowa City, IA 522421518949940
- David Katz, MDIowa City, IA 522421023090321
- Ann Machlab, MDIowa City, IA 522421780668004
Common questions
What is Truman Nguyen, MD's NPI number?
Truman Nguyen, MD's National Provider Identifier (NPI) is 1285201855, issued on Jun 10, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Truman Nguyen, MD located?
The NPPES record lists a practice address at 200 Hawkins Dr, Iowa City, IA, 52242. Phone: (319) 356-8133. Providers update this record themselves, so call before visiting.
How can I verify Truman Nguyen, MD's license?
NPPES lists Iowa license number R-12184, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Truman Nguyen, MD prescribe under Medicare Part D?
In 2024, Truman Nguyen, MD had 44 Medicare Part D claims for 12 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.