LABS ON SITE
NPI 1891397881
Technician, Pathology - Phlebotomy in Saint Peters, MO

Active since November 13, 2020CLIA 26D2229571 · Waiver
4208 EXECUTIVE CENTRE PARKWAY LOOP N, SAINT PETERS, MO 63376(573) 301-0902(888) 535-8328 Get Directions Write a Review

NPPES record last updated: October 8, 2021. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Oct 8, 2021, Aug 18, 2021, Nov 13, 2020 (3 updates tracked since 2020).

About Labs On Site NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LABS ON SITE (NPI 1891397881) is a healthcare organization registered as a phlebotomy in Saint Peters, Missouri and active in the NPI registry since November 2020. The organization holds a CLIA Waiver certificate valid through August 8, 2028 and lists D Marhanka, Chief Operating Officer, as its authorized official.

NPPES Registry Identity

NPI1891397881
Entity TypeOrganization
Primary Taxonomy246RP1900X
Legal Business NameADVANCED CLIENT SOLUTIONS, LLC
Location Address4208 EXECUTIVE CENTRE PARKWAY LOOP NSaint Peters, MO 63376-6417
Mailing Address4208 Executive Centre Parkway Loop NSaint Peters, MO 63376-6417 · (573) 301-0902 · Fax (888) 535-8328
Fax(888) 535-8328
Organization SubpartNo
Authorized OfficialD MarhankaChief Operating Officer · (573) 301-0902
Enumeration DateNovember 13, 2020
Last NPPES UpdateOctober 8, 20213 updates tracked since enumeration
NPPES CertifiedOctober 8, 2021
✔ NPI 1891397881 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyTechnician, Pathology · PhlebotomyTechnologists, Technicians & Other Technical Service Providers
Taxonomy Code246RP1900X
Also ListedClinical Medical LaboratoryTaxonomy 291U00000X
4208 EXECUTIVE CENTRE PARKWAY LOOP N, Saint Peters, MO 63376

Other Names 1

Doing Business AsLabs On Site

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 26D2229571

Advanced Client Solutions Dba As Labs On-Site · St Peters, MO
Active · expires Aug 8, 2028
CLIA Number26D2229571
Laboratory TypeIndependent
Certificate Effective DateAugust 9, 2026
Certificate Expiration DateAugust 8, 2028
Laboratory DirectorDarren H. Marhanka
Laboratory Phone(636) 244-0136
Laboratory LocationAdvanced Client Solutions Dba As Labs On-Site4208 Executive Centre Parkway Loop N, St Peters, MO 63376
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Advanced Client Solutions, LLC's NPI number?

The NPI number for Advanced Client Solutions, LLC is 1891397881. It was assigned to this organization in the NPPES registry on November 13, 2020. The provider is doing business as Labs On Site.

Where is Advanced Client Solutions, LLC located?

Advanced Client Solutions, LLC is located at 4208 Executive Centre Parkway Loop N, Saint Peters, MO 63376. The listed phone number is (573) 301-0902.

What is Advanced Client Solutions, LLC's specialty?

The primary specialty registered for this NPI is Technician, Pathology, specializing in Phlebotomy, with taxonomy code 246RP1900X.

Does Advanced Client Solutions, LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 26D2229571) is associated with this NPI, valid through August 8, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Advanced Client Solutions, LLC was last updated on October 8, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.