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 1881203826

Quest Diagnostics LLC Il is a Clinical Medical Laboratory in Milwaukee, Wisconsin. Registered with an NPI since 2020.

In the registry since
2020
What do these letters mean?
LLC — Limited liability company
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

4852 S 6th St
Milwaukee, WI 53221-2462
Phone: (866) 697-8378
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

Record details

NPI number1881203826
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationQuest Diagnostics Inc
Authorized official Charles Bowles — Vice President · (610) 454-6000
NPI enumeratedJuly 27, 2020
Last updated in NPPESJuly 27, 2020
Certification dateJuly 27, 2020
Mailing address1201 S Collegeville Rd, Collegeville, PA 19426-2998

Other providers in Milwaukee