Organization
QUEST DIAGNOSTICS LLC IL
Active
Organization
QUEST DIAGNOSTICS LLC IL
Active
Parent organization
QUEST DIAGNOSTICS INCORPORATED
Organization subpart
Yes
Provider details
NPI number
Legal business name
QUEST DIAGNOSTICS INCORPORATED
Authorized official
LEAH D TIMMERMAN (VICE PRESIDENT)
(973) 520-2700
Entity
Organization
Contact information
Practice address
501 S WHITE ST STE 1, MOUNT PLEASANT, IA 52641-2600
(319) 423-3527
Mailing address
4770 REGENT BLVD, IRVING, TX 75063-2445
(610) 271-4245
Taxonomy
Speciality
Code
Description
License number
State
291U00000X
Clinical Medical Laboratory
Primary
—
—
Other
Enumeration date
06/04/2025
Last updated
05/28/2026
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