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

Lab One LLC

Organization Clinical Medical Laboratory · NPI 1639417140

Lab One LLC is a Clinical Medical Laboratory in Fairfield, Illinois. Registered with an NPI since 2013.

In the registry since
2013
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 →

Practice location Address checks out

209 NW 11th St
Fairfield, IL 62837-1218
Phone: (618) 842-4470
Show map & directions

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

Specialties & licences

Clinical Medical Laboratory (primary) Taxonomy 291U00000X

Record details

NPI number1639417140
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationQuest Diagnostics Incorporated
Authorized official Charles Bowles — Vice President · (610) 454-6000
Other names Quest Diagnostics; Quest Diagnostics
NPI enumeratedJanuary 18, 2013
Last updated in NPPESDecember 11, 2018
Mailing address1201 S Collegeville Rd, Collegeville, PA 19426-2998