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

Lab One LLC

Organization Clinical Medical Laboratory · NPI 1245490366

Lab One LLC is a Clinical Medical Laboratory in Saint Charles, Missouri. Licensed in Missouri. Registered with an NPI since 2008.

Licensed in
MO
In the registry since
2008
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

1301 Boones Lick Rd Ste A
Saint Charles, MO 63301-2463
Phone: (636) 724-6743
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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 26D108935 (MO)

Record details

NPI number1245490366
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationQuest Diagnostics Incorporated
Authorized official J Pablo Lake — Vice President · (484) 676-7000
Other names Quest Diagnostics
NPI enumeratedJune 12, 2008
Last updated in NPPESFebruary 13, 2015
Mailing address1001 Adams Ave, Mrgov 2nd Floor, Norristown, PA 19403-2429

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