Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

TRUMAN NGUYEN MD
NPI 1285201855
Allergy & Immunology in Iowa City, IA

Q: What is Truman Nguyen's NPI number?

The NPI number for Truman Nguyen is 1285201855. It was assigned to this individual provider in the NPPES registry on June 10, 2021.

Q: What is Truman Nguyen's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Q: When was this NPI record last updated?

The NPPES record for Truman Nguyen was last updated on August 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 10, 2021PECOS Enrolled

200 HAWKINS DR, IOWA CITY, IA 52242(319) 356-8133(319) 353-6290 Get Directions Write a Review

NPPES record last updated: August 10, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 10, 2026, Jun 10, 2021 (2 updates tracked since 2021).

On this page

About Truman Nguyen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TRUMAN NGUYEN MD (NPI 1285201855) is an individual allergy & immunology provider in Iowa City, Iowa, licensed in Iowa (MD-52837) and active in the NPI registry since June 2021. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1285201855

Entity TypeIndividualMale

Primary Taxonomy207K00000X

Provider Legal NameTRUMAN NGUYENCredential: MD

Location Address200 HAWKINS DRIowa City, IA 52242-1009

Mailing Address200 Hawkins DrIowa City, IA 52242-1009 · (319) 356-8133 · Fax (319) 353-6290

Phone(319) 356-8133

Fax(319) 353-6290

Sole ProprietorNo

Enumeration DateJune 10, 2021

Last NPPES UpdateAugust 10, 20262 updates tracked since enumeration

NPPES CertifiedAugust 10, 2026

✔ NPI 1285201855 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

License✔ Licensed in IA · MD-52837

Definition

An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

Also ListedInternal MedicineTaxonomy 207R00000X · License MD-52837 (IA)

200 HAWKINS DR, Iowa City, IA 52242

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Secondary Practice Locations 2

Location 1500 E Market StIowa City, IA 52245-2633 · Phone (319) 339-3551 · Fax (319) 248-7945

Location 2105 E 9th StCoralville, IA 52241-2209 · Phone (319) 467-2627 · Fax (319) 353-6290

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Truman Nguyen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SANGIL LEE M.D.

Emergency Medicine

200 HAWKINS DR
IOWA CITY, IA 52242

Johnson County (319) 356-2233

RAMI G. EL ABIAD M.D.

Internal Medicine (Gastroenterology)

200 HAWKINS DR
IOWA CITY, IA 52242

Johnson County (319) 356-4901

GRERK SUTAMTEWAGUL MD

Internal Medicine (Hematology & Oncology)

200 HAWKINS DR, DEPT OF INTERNAL MEDICINE
IOWA CITY, IA 52242

Johnson County (319) 356-1616

DR. KALEB TANNER VEIT D.O.

Internal Medicine (Critical Care Medicine)

200 HAWKINS DR
IOWA CITY, IA 52242

Johnson County (319) 356-2320

OMAR JABER M.D

Chronic Disease Hospital

200 HAWKINS DR
IOWA CITY, IA 52242

Johnson County (319) 471-8958

JENNIFER MANCUSO MS, CGC

Genetic Counselor, MS

200 HAWKINS DR, 31663 PFP
IOWA CITY, IA 52242

Johnson County (319) 384-7983

ASHLEY KAISER M.D.

Obstetrics & Gynecology

200 HAWKINS DR, DEPT OF OBGYN
IOWA CITY, IA 52242

Johnson County (319) 356-2294

MRS. NANCY JANE MILLICE

Health Educator

200 HAWKINS DR, 0733 JPP
IOWA CITY, IA 52242

Johnson County (319) 356-3825

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Truman Nguyen's NPI number?

The NPI number for Truman Nguyen is 1285201855. It was assigned to this individual provider in the NPPES registry on June 10, 2021.

Where is Truman Nguyen located?

Truman Nguyen practices at 200 Hawkins Dr, Iowa City, IA 52242. The listed phone number is (319) 356-8133.

What is Truman Nguyen's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Truman Nguyen enrolled in Medicare?

Yes. Truman Nguyen is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Truman Nguyen was last updated on August 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.