NPPES file of Aug 9, 2026

Northwestern Memorial Healthcare

Northwestern Memorial Healthcare holds 5 active organization NPIs in the federal registry, with practice locations in 2 Illinois cities. 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

Chicago has the most NPIs, 4

  1. Chicago4
  2. Dekalb1

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

Most NPIs were issued in 2015 and 2018

Northwestern Memorial Healthcare NPIs by year issued2015: 1, 2016: 0, 2017: 1, 2018: 2, 2019: 0, 2020: 0, 2021: 0, 2022: 0, 2023: 0, 2024: 0, 2025: 100.511.52201520162017201820192020202120222023202420251211
Northwestern Memorial Healthcare NPIs by year issued2015: 1, 2016: 0, 2017: 1, 2018: 2, 2019: 0, 2020: 0, 2021: 0, 2022: 0, 2023: 0, 2024: 0, 2025: 100.511.52201520162017201820192020202120222023202420251211
Northwestern Memorial Healthcare NPIs by year issued2015: 1, 2016: 0, 2017: 1, 2018: 2, 2019: 0, 2020: 0, 2021: 0, 2022: 0, 2023: 0, 2024: 0, 2025: 100.511.5220152017201920212023202512018: 211

Source: CMS NPPES, enumeration dates.

2 NPIs were issued in 2018 alone, more than in any other year; none in 7 of the years between.

Chicago locations

The city with the most Northwestern Memorial Healthcare NPIs. The full list of all 5 follows.

NPILocationPrimary taxonomyIssued
19426906721030 N WOLCOTT AVE, ChicagoUrgent Care Clinic/CenterFeb 3, 2015
1407381197675 N SAINT CLAIR ST SUITE 21-100, ChicagoOncology Clinic/CenterMay 1, 2017
1003396110171 N ABERDEEN ST, ChicagoPharmacyAug 17, 2018
1689560393675 N SAINT CLAIR ST STE 17, ChicagoHematology & Oncology PhysicianJun 17, 2025
All 5 locations, by city
NPILocationPrimary taxonomyIssued
19426906721030 N WOLCOTT AVE, ChicagoUrgent Care Clinic/CenterFeb 3, 2015
1407381197675 N SAINT CLAIR ST SUITE 21-100, ChicagoOncology Clinic/CenterMay 1, 2017
1003396110171 N ABERDEEN ST, ChicagoPharmacyAug 17, 2018
1689560393675 N SAINT CLAIR ST STE 17, ChicagoHematology & Oncology PhysicianJun 17, 2025
1780155879385 WIRTZ DRIVE, DekalbFamily Medicine PhysicianDec 16, 2018

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 Northwestern Memorial Healthcare have 5 NPIs?

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