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

Quest Diagnostics Clinical Laboratories Inc

Organization Clinical Medical Laboratory · NPI 1265562474

Quest Diagnostics Clinical Laboratories Inc is a Clinical Medical Laboratory in Saint Louis, Missouri. Licensed in Missouri. Registered with an NPI since 2007.

Licensed in
MO
In the registry since
2007
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

969 N Mason Rd Ste 230
Saint Louis, MO 63141-6338
Phone: (314) 996-8811
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Medical Laboratory (primary) Taxonomy 291U00000X (MO)

Record details

NPI number1265562474
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationQuest Diagnostics Incorporated
Authorized official G Cartier — Vp Of Billing · (484) 676-7000
NPI enumeratedMarch 6, 2007
Last updated in NPPESJanuary 8, 2008
Mailing address2750 Monroe Blvd, Norristown, PA 19403-2429

Other providers in Saint Louis