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Quest Diagnostics Clinical Laboratories Inc

Clinical Medical Laboratory in Aurora, CO · enumerated 2018 · authorized official Leah Timmerman, Vice President.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1003388331

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Registry record

Entity type Organization (Type 2)
Legal business name Quest Diagnostics Clinical Laboratories Inc
Parent organization Quest Diagnostics Incorporated
Practice address 3292 Peoria St, Aurora, CO, 80010
Phone (303) 360-6276
Enumeration date Dec 27, 2018
Last updated in NPPES Jun 13, 2025

Taxonomy & classification

291U00000X Clinical Medical Laboratory Laboratories Primary

Authorized official

Name Leah Timmerman
Title Vice President
Phone (973) 520-2700

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty.

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Frequently asked questions

What type of organization is Quest Diagnostics Clinical Laboratories Inc?
Quest Diagnostics Clinical Laboratories Inc is registered in NPPES as a Clinical Medical Laboratory (its primary provider taxonomy).
What is a Type 2 NPI?
A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-06-13.