Registry data as of Aug 27, 2026

Cardionet

Cardionet holds 8 active organization NPIs in the federal registry, with practice locations in 8 cities in 7 states. All list physiological 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

Pleasanton, CA has the most NPIs, 1

  1. Pleasanton, CA1
  2. San Francisco, CA1
  3. Chicago, IL1
  4. Lawrenceville, NJ1
  5. Melville, NY1
  6. Malvern, PA1
  7. Nashville, TN1
  8. Norfolk, VA1

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

Most NPIs were issued in 2006 and 2023

Cardionet NPIs by year issued2006: 1, 2007: 0, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 1, 2013: 0, 2014: 0, 2015: 0, 2016: 1, 2017: 0, 2018: 0, 2019: 0, 2020: 0, 2021: 1, 2022: 0, 2023: 2, 2024: 0, 2025: 1, 2026: 100.511.522006200820102012201420162018202020222024202612023: 211111
Cardionet NPIs by year issued2006: 1, 2007: 0, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 1, 2013: 0, 2014: 0, 2015: 0, 2016: 1, 2017: 0, 2018: 0, 2019: 0, 2020: 0, 2021: 1, 2022: 0, 2023: 2, 2024: 0, 2025: 1, 2026: 100.511.522006200820102012201420162018202020222024202612023: 211111
Cardionet NPIs by year issued2006: 1, 2007: 0, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 1, 2013: 0, 2014: 0, 2015: 0, 2016: 1, 2017: 0, 2018: 0, 2019: 0, 2020: 0, 2021: 1, 2022: 0, 2023: 2, 2024: 0, 2025: 1, 2026: 100.511.5220082011201420172020202320262006: 1211111

Source: CMS NPPES, enumeration dates.

2 NPIs were issued in 2023 alone, more than in any other year; none in 14 of the years between.

Pleasanton, CA locations

The city with the most Cardionet NPIs. The full list of all 8 follows.

NPILocationPrimary taxonomyIssued
14273203994430 ROSEWOOD DR STE 200, Pleasanton, CAPhysiological LaboratoryFeb 7, 2012
All 8 locations, by state and city
NPILocationPrimary taxonomyIssued
14273203994430 ROSEWOOD DR STE 200, Pleasanton, CAPhysiological LaboratoryFeb 7, 2012
136612300233 NEW MONTGOMERY ST STE 450, San Francisco, CAPhysiological LaboratoryJul 26, 2023
12954169318725 W HIGGINS RD STE 300, Chicago, ILPhysiological LaboratoryJul 26, 2023
1174452171101 GROVERS MILL RD, Lawrenceville, NJPhysiological LaboratoryMay 15, 2026
1689263147175 PINELAWN RD, Melville, NYPhysiological LaboratoryJan 11, 2021
17908694022476 SWEDESFORD RD STE 350, Malvern, PAPhysiological LaboratoryOct 25, 2006
1902697493414 UNION ST STE 210, Nashville, TNPhysiological LaboratoryMay 14, 2025
16890237495700 LAKE WRIGHT DR SUITE 204, Norfolk, VAPhysiological LaboratoryJun 9, 2016

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 Cardionet have 8 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Cardionet's NPIs list practice locations in 8 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.