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DIEM-TRAN ISABELLE NGUYEN MD
NPI 1215498761
Allergy & Immunology in Orange, CA

Active since March 27, 2019
725 W LA VETA AVE STE 100, ORANGE, CA 92868(714) 633-6363(714) 633-0178 Get Directions Write a Review

NPPES record last updated: June 24, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Diem-tran Isabelle Nguyen Md NPPES

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

DIEM-TRAN ISABELLE NGUYEN MD (NPI 1215498761) is an individual allergy & immunology provider in Orange, California, licensed in California (A194587) and active in the NPI registry since March 2019. She maintains a secondary practice location in Houston.

NPPES Registry Identity

NPI1215498761
Entity TypeIndividualFemale
Primary Taxonomy207K00000X
Provider Legal NameDIEM-TRAN ISABELLE NGUYENCredential: MD
Location Address725 W LA VETA AVE STE 100Orange, CA 92868-4445
Mailing Address725 W La Veta Ave Ste 100Orange, CA 92868-4445 · (714) 633-6363 · Fax (714) 633-0178
Phone(714) 633-6363
Fax(714) 633-0178
Sole ProprietorYes
Enumeration DateMarch 27, 2019
Last NPPES UpdateJune 24, 2024
NPPES CertifiedJune 24, 2024
✔ NPI 1215498761 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in CA · A194587
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.
725 W LA VETA AVE STE 100, Orange, CA 92868
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Secondary Practice Location 1

Location 1One Baylor Plaza, BCM 320Houston, TX 77030 · Phone (832) 824-1170

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES

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

DR. WAN-YIN CHAN M.D.
Allergy & Immunology
725 W LA VETA AVE STE 100
ORANGE, CA 92868
Orange County (714) 633-6363

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 Diem-tran Nguyen's NPI number?

The NPI number for Diem-tran Nguyen is 1215498761. It was assigned to this individual provider in the NPPES registry on March 27, 2019.

Where is Diem-tran Nguyen located?

Diem-tran Nguyen practices at 725 W La Veta Ave Ste 100, Orange, CA 92868. The listed phone number is (714) 633-6363.

What is Diem-tran Nguyen's specialty?

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

When was this NPI record last updated?

The NPPES record for Diem-tran Nguyen was last updated on June 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.