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Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum Organization subpart

Quest Diagnostics LLC Il

Clinical Medical Laboratory in Mount Pleasant, IA · enumerated 2025 · authorized official Leah Timmerman, Vice President.

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

National Provider Identifier

1942194196

Verified

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Registry record

Entity type Organization (Type 2)
Legal business name Quest Diagnostics LLC Il
Parent organization Quest Diagnostics Incorporated
Practice address 501 S White St Ste 1, Mount Pleasant, IA, 52641
Phone (319) 423-3527
Enumeration date Jun 4, 2025
Last updated in NPPES May 28, 2026

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 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.
What type of organization is Quest Diagnostics LLC Il?
Quest Diagnostics LLC Il is registered in NPPES as a Clinical Medical Laboratory (its primary provider taxonomy).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-05-28.