MEDICAL DIAGNOSTIC ALLERGY TESTING, INC.
NPI 1255545927
Clinical Medical Laboratory in Tustin, CA

Active since May 10, 2007
14642 NEWPORT AVENUE, 250, TUSTIN, CA 92780(714) 669-4490(714) 669-4455 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Medical Diagnostic Allergy Testing, Inc. NPPES

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

MEDICAL DIAGNOSTIC ALLERGY TESTING, INC. (NPI 1255545927) is a healthcare organization registered as a clinical medical laboratory in Tustin, California and active in the NPI registry since May 2007. The organization lists Lily Goh, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1255545927
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameMEDICAL DIAGNOSTIC ALLERGY TESTING, INC.
Location Address14642 NEWPORT AVENUE, 250Tustin, CA 92780
Mailing Address14642 Newport Avenue, 250Tustin, CA 92780 · (714) 669-4490 · Fax (714) 669-4455
Fax(714) 669-4455
Organization SubpartNo
Authorized OfficialLily GohOffice Manager · (714) 669-4490
Enumeration DateMay 10, 2007
Last NPPES UpdateAugust 22, 2020
NPI 1255545927 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyClinical Medical LaboratoryLaboratories
Taxonomy Code291U00000X
Definition
(1) A clinical laboratory is a facility for the biological, microbiological, serological, chemical, immunohematological, hematological, biophysical, cytological, pathological, or other examination of materials derived from the human body for the purpose of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, human beings. These examinations also include procedures to determine, measure, or otherwise describe the presence or absence of various substances or organisms in the body. Facilities only collecting or preparing specimens (or both) or only serving as a mailing service and not performing testing are not considered clinical laboratories. (2) Any facility that examines materials from the human body for purposes of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, or the assessment of, the health of human beings. Typical divisions of a clinical laboratory include hematology, cytology, bacteriology, histology, biochemistry, medical toxicology, and serology.
14642 NEWPORT AVENUE, Tustin, CA 92780

Other Providers at the Same Location NPPES 2

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

Otolaryngology
14642 NEWPORT AVENUE, 250
TUSTIN, CA 92780
Otolaryngology
14642 NEWPORT AVENUE, 460
TUSTIN, CA 92780

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 Medical Diagnostic Allergy Testing, Inc.'s NPI number?

The NPI number for Medical Diagnostic Allergy Testing, Inc. is 1255545927. It was assigned to this organization in the NPPES registry on May 10, 2007.

Where is Medical Diagnostic Allergy Testing, Inc. located?

Medical Diagnostic Allergy Testing, Inc. is located at 14642 Newport Avenue 250, Tustin, CA 92780. The listed phone number is (714) 669-4490.

What is Medical Diagnostic Allergy Testing, Inc.'s specialty?

The primary specialty registered for this NPI is Clinical Medical Laboratory with taxonomy code 291U00000X.

When was this NPI record last updated?

The NPPES record for Medical Diagnostic Allergy Testing, Inc. was last updated on August 22, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS; the most recent full sync was completed on July 26, 2026. Anyone can also request an on-demand re-check of this record against the live CMS registry, directly from this page.