CORNERSTONE ADDISON LLC
NPI 1417831934
Clinical Medical Laboratory in Addison, TX

Active since August 05, 2025
4007 LINDBERGH DR, ADDISON, TX 75001(972) 755-1034 Get Directions Write a Review

NPPES record last updated: January 17, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jan 17, 2026, Aug 5, 2025 (2 updates tracked since 2025).

About Cornerstone Addison Llc NPPES

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

CORNERSTONE ADDISON LLC (NPI 1417831934) is a healthcare organization registered as a clinical medical laboratory in Addison, Texas and active in the NPI registry since August 2025. The organization lists Amy Gruszecki, Laboratory Director, as its authorized official.

NPPES Registry Identity

NPI1417831934
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameCORNERSTONE ADDISON LLC
Location Address4007 LINDBERGH DRAddison, TX 75001-4343
Mailing Address4007 Lindbergh DrAddison, TX 75001-4343 · (972) 755-1034
Organization SubpartNo
Authorized OfficialAmy GruszeckiLaboratory Director · (972) 755-1034
Enumeration DateAugust 5, 2025
Last NPPES UpdateJanuary 17, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 17, 2026
NPI 1417831934 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.
4007 LINDBERGH DR, Addison, TX 75001

Other Providers at the Same Location NPPES

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

Clinical Medical Laboratory
4007 LINDBERGH DR
ADDISON, TX 75001

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 Cornerstone Addison LLC's NPI number?

The NPI number for Cornerstone Addison LLC is 1417831934. It was assigned to this organization in the NPPES registry on August 5, 2025.

Where is Cornerstone Addison LLC located?

Cornerstone Addison LLC is located at 4007 Lindbergh Dr, Addison, TX 75001. The listed phone number is (972) 755-1034.

What is Cornerstone Addison LLC'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 Cornerstone Addison LLC was last updated on January 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.