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DR. ROGER NGUYEN, A CORPORATION
NPI 1821513870
Allergy & Immunology in Garden Grove, CA

Active since August 10, 2017
9746 WESTMINSTER AVE STE A, GARDEN GROVE, CA 92844(714) 638-4433 Get Directions Write a Review

NPPES record last updated: August 10, 2017. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Roger Nguyen, A Corporation NPPES

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

DR. ROGER NGUYEN, A CORPORATION (NPI 1821513870) is a healthcare organization registered as an allergy & immunology in Garden Grove, California and active in the NPI registry since August 2017. The organization lists Roger Nguyen, Owner, as its authorized official.

NPPES Registry Identity

NPI1821513870
Entity TypeOrganization
Primary Taxonomy207K00000X
Legal Business NameDR. ROGER NGUYEN, A CORPORATION
Location Address9746 WESTMINSTER AVE STE AGarden Grove, CA 92844-2984
Mailing Address9746 Westminster Ave Ste AGarden Grove, CA 92844-2984
Phone(714) 638-4433
Organization SubpartNo
Authorized OfficialRoger NguyenOwner · (714) 638-4433
Enumeration DateAugust 10, 2017
✔ NPI 1821513870 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 · A68125
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.
9746 WESTMINSTER AVE STE A, Garden Grove, CA 92844
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 3

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

DR. ROGER L. NGUYEN, A CORPORATION
Allergy & Immunology (Allergy)
9746 WESTMINSTER AVE STE A
GARDEN GROVE, CA 92844
Orange County (714) 638-4433
DR. ROGER NGUYEN, A CORPORATION
Allergy & Immunology
9746 WESTMINSTER AVE STE A
GARDEN GROVE, CA 92844
Orange County (714) 638-4433
DR. ROGER LINH NGUYEN M.D
Allergy & Immunology (Allergy)
9746 WESTMINSTER AVE STE A
GARDEN GROVE, CA 92844
Orange County (714) 638-4433

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 Dr. Roger Nguyen, A Corporation's NPI number?

The NPI number for Dr. Roger Nguyen, A Corporation is 1821513870. It was assigned to this organization in the NPPES registry on August 10, 2017.

Where is Dr. Roger Nguyen, A Corporation located?

Dr. Roger Nguyen, A Corporation is located at 9746 Westminster Ave Ste A, Garden Grove, CA 92844. The listed phone number is (714) 638-4433.

What is Dr. Roger Nguyen, A Corporation'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 Dr. Roger Nguyen, A Corporation was last updated on August 10, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.