Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Quest Diagnostics LLC Il

Organization Clinical Medical Laboratory · NPI 1578581526

Quest Diagnostics LLC Il is a Clinical Medical Laboratory in Glenview, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

3633 W Lake Ave Ste 201 (2ND Floor)
Glenview, IL 60025-5805
Phone: (847) 998-9220
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Medical Laboratory (primary) Taxonomy 291U00000X · Licence 14D0872637 (IL)

Record details

NPI number1578581526
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationQuest Diagnostics Incorporated
Authorized official Gerald Cartier — Vp Of Revenue Services · (484) 676-7000
NPI enumeratedJuly 18, 2006
Last updated in NPPESSeptember 6, 2012
Mailing address1001 Adams Ave, Mrgov 2nd Floor, Norristown, PA 19403-2429

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