NPPES file of Aug 9, 2026

Lab One

Lab One holds 15 active organization NPIs in the federal registry, with practice locations in 14 cities in 5 states. 14 list clinical medical laboratory as their primary taxonomy; each location can bill under its own NPI.

CMS NPPES registry, file of Aug 9, 2026 · legal names grouped after punctuation and "LLC" are removed · method · Verify with CMS →

Which NPI is yours?

Search the organization with your city to find the NPI for the location you visit or bill.

Find a location's NPI

Conway, AR has the most NPIs, 2

  1. Conway, AR2
  2. Camden, AR1
  3. Fayetteville, AR1
  4. Lake Village, AR1
  5. Los Angeles, CA1
  6. Fairfield, IL1
  7. Overland Park, KS1
  8. Columbia, MO1

Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.

Most NPIs were issued in 2013 and 2019

Lab One NPIs by year issued2008: 1, 2009: 1, 2010: 1, 2011: 0, 2012: 0, 2013: 3, 2014: 0, 2015: 0, 2016: 1, 2017: 0, 2018: 2, 2019: 5, 2020: 0, 2021: 10246200920112013201520172019202135111121
Lab One NPIs by year issued2008: 1, 2009: 1, 2010: 1, 2011: 0, 2012: 0, 2013: 3, 2014: 0, 2015: 0, 2016: 1, 2017: 0, 2018: 2, 2019: 5, 2020: 0, 2021: 102462008200920102011201220132014201520162017201820192020202135111121
Lab One NPIs by year issued2008: 1, 2009: 1, 2010: 1, 2011: 0, 2012: 0, 2013: 3, 2014: 0, 2015: 0, 2016: 1, 2017: 0, 2018: 2, 2019: 5, 2020: 0, 2021: 10246200920112013201520172019202135111121

Source: CMS NPPES, enumeration dates.

5 NPIs were issued in 2019 alone, more than in any other year; none in 6 of the years between.

Conway, AR locations

The city with the most Lab One NPIs. The full list of all 15 follows.

NPILocationPrimary taxonomyIssued
1225695075625 UNITED DR STE 350, Conway, ARClinical Medical LaboratoryMay 28, 2019
1437718707625 UNITED DR STE 170, Conway, ARClinical Medical LaboratoryJun 11, 2019
All 15 locations, by state and city
NPILocationPrimary taxonomyIssued
1598238446353 CASH RD SW, Camden, ARClinical Medical LaboratoryJan 3, 2019
1225695075625 UNITED DR STE 350, Conway, ARClinical Medical LaboratoryMay 28, 2019
1437718707625 UNITED DR STE 170, Conway, ARClinical Medical LaboratoryJun 11, 2019
16698001653215 N NORTHHILLS BLVD STE B, Fayetteville, ARClinical Medical LaboratoryOct 17, 2013
10132444172918 LOUIS STREET, Lake Village, ARClinical Medical LaboratoryNov 6, 2009
18317800631617 N EL CENTRO AVE SUITE 16, Los Angeles, CAPortable X-ray and/or Other Portable Diagnostic Imaging SupplierJan 31, 2021
1639417140209 NW 11TH ST, Fairfield, ILClinical Medical LaboratoryJan 18, 2013
172030329010550 QUIVIRA RD STE 410, Overland Park, KSClinical Medical LaboratoryMar 29, 2010
13568046371705 E BROADWAY, Columbia, MOClinical Medical LaboratoryApr 12, 2019
1043650617211 S 3RD ST, Louisiana, MOClinical Medical LaboratoryJun 27, 2013
1922583731404 PROVIDENCE RD, Macon, MOClinical Medical LaboratorySep 27, 2018
1568953057340 KELLEY PKWY, Mexico, MOClinical Medical LaboratoryMay 21, 2018
12454903661301 BOONES LICK RD STE A, Saint Charles, MOClinical Medical LaboratoryJun 12, 2008
17306536502325 DOUGHERTY FERRY RD STE 103, Saint Louis, MOClinical Medical LaboratoryJan 14, 2019
1508219585216 W MAIN ST, Steele, MOClinical Medical LaboratoryJul 14, 2016

Related names

Checking an organization

  1. Match the NPI to the exact location you will visit or bill; each location can have its own.
  2. Confirm the business entity with the secretary of state.
  3. Check the HHS-OIG exclusion list for the organization and its owners.
  4. Verify each clinician you will see on their own record and with the state license search.

Common questions

Why does Lab One have 15 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Lab One's NPIs list practice locations in 14 cities.

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.