OrganizationActive
Cornerstone Addison LLC
NPI 1417831934 · Clinical Medical Laboratory · Addison, TX
Cornerstone Addison LLC is a Clinical Medical Laboratory organization in Addison, TX (NPI 1417831934).
Provider details
- NPI number
- 1417831934
- Entity type
- Organization
- Primary specialty
- Clinical Medical LaboratoryLaboratories
- Organization subpart
- No
- Authorized official
- Amy Gruszecki, Laboratory Director(972) 755-1034
Specialties & taxonomies
Laboratories
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
4007 Lindbergh Dr
Addison, TX 75001-4343
Phone: (972) 755-1034
Street-level locationGet directions
Mailing address
4007 Lindbergh Dr
Addison, TX 75001-4343
Registry dates
- Enumerated
- 2025-08-05
- Last updated
- 2026-01-17
- Certified
- 2026-01-17
Frequently asked questions
- What is Cornerstone Addison LLC's NPI number?
- Cornerstone Addison LLC's National Provider Identifier (NPI) is 1417831934, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Cornerstone Addison LLC?
- Cornerstone Addison LLC is classified in the NPPES registry as Clinical Medical Laboratory (Laboratories).
- Where is Cornerstone Addison LLC located?
- Cornerstone Addison LLC's practice location on file with NPPES is 4007 Lindbergh Dr, Addison, TX 75001-4343.
- What is Cornerstone Addison LLC's phone number?
- The practice phone number listed in the NPPES registry for Cornerstone Addison LLC is (972) 755-1034.
- Who is the authorized official for Cornerstone Addison LLC?
- The authorized official listed on Cornerstone Addison LLC's NPPES record is Amy Gruszecki, Laboratory Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Cornerstone Addison LLC's NPI active?
- Yes — Cornerstone Addison LLC's NPI (1417831934) is active in the NPPES registry as of the last update on 2026-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.