Northwestern Memorial Hospital
Northwestern Memorial Hospital holds 26 active organization NPIs in the federal registry, with practice locations in 3 Illinois cities. 15 list general acute care hospital as their primary taxonomy; each location can bill under its own NPI.
Search the organization with your city to find the NPI for the location you visit or bill.
Find a location's NPIChicago has the most NPIs, 24
Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.
Most NPIs were issued in 2006 and 2008
Source: CMS NPPES, enumeration dates.
4 NPIs were issued in 2006 alone, more than in any other year; none in 4 of the years between.
Chicago locations
The city with the most Northwestern Memorial Hospital NPIs. The full list of all 26 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1578672895 | 251 E HURON ST GALTER 8-138, Chicago | General Acute Care Hospital | Aug 30, 2006 |
| 1497859649 | 251 E HURON ST, Chicago | General Acute Care Hospital | Sep 9, 2006 |
| 1053417295 | 251 E HURON ST, Chicago | Inpatient Hospice | Sep 15, 2006 |
| 1831298926 | 251 E HURON ST, Chicago | Psychiatric Hospital Unit | Sep 22, 2006 |
| 1336354166 | 675 NORTH SAINT ST. CLAIR, SUITE 17-200, Chicago | General Acute Care Hospital | May 14, 2007 |
| 1861609208 | 251 E HURON ST FEINBERG 4-508, Chicago | General Acute Care Hospital | May 16, 2007 |
| 1790953669 | 30 W CHICAGO AVE, Chicago | Mental Health Clinic/Center (Including Community Mental Health Center) | Feb 13, 2008 |
| 1407024078 | 446 ONTARIO STREET 6TH FL, Chicago | Mental Health Clinic/Center (Including Community Mental Health Center) | Feb 15, 2008 |
All 26 locations, by city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1891398731 | DEPT 4698, Carol Stream | Clinical Medical Laboratory | Nov 20, 2020 |
| 1578672895 | 251 E HURON ST GALTER 8-138, Chicago | General Acute Care Hospital | Aug 30, 2006 |
| 1497859649 | 251 E HURON ST, Chicago | General Acute Care Hospital | Sep 9, 2006 |
| 1053417295 | 251 E HURON ST, Chicago | Inpatient Hospice | Sep 15, 2006 |
| 1831298926 | 251 E HURON ST, Chicago | Psychiatric Hospital Unit | Sep 22, 2006 |
| 1336354166 | 675 NORTH SAINT ST. CLAIR, SUITE 17-200, Chicago | General Acute Care Hospital | May 14, 2007 |
| 1861609208 | 251 E HURON ST FEINBERG 4-508, Chicago | General Acute Care Hospital | May 16, 2007 |
| 1790953669 | 30 W CHICAGO AVE, Chicago | Mental Health Clinic/Center (Including Community Mental Health Center) | Feb 13, 2008 |
| 1407024078 | 446 ONTARIO STREET 6TH FL, Chicago | Mental Health Clinic/Center (Including Community Mental Health Center) | Feb 15, 2008 |
| 1437315017 | 446 E ONTARIO ST STE 7-200, Chicago | Psychiatric Hospital | Aug 1, 2008 |
| 1265689202 | 645 N MICHIGAN AVE SUITE 440, Chicago | General Acute Care Hospital | Aug 21, 2008 |
| 1215162409 | 251 E. HURON ST., Chicago | General Acute Care Hospital | May 18, 2009 |
| 1235441015 | 676 N SAINT CLAIR ST STE 2210, Chicago | General Acute Care Hospital | Jul 8, 2010 |
| 1649573312 | 251 E HURON ST # F5-704, Chicago | General Acute Care Hospital | Dec 17, 2010 |
| 1356631824 | 675 N SAINT CLAIR ST SUITE 18-250, Chicago | General Acute Care Hospital | Apr 18, 2011 |
| 1942588199 | 201 E HURON ST GALTER 2-246, Chicago | Dental Clinic/Center | Jul 21, 2011 |
| 1912283268 | 251 E HURON ST, Chicago | General Acute Care Hospital | Nov 1, 2011 |
| 1760759609 | 251 E HURON ST, Chicago | General Acute Care Hospital | Nov 21, 2011 |
| 1598028938 | 251 E HURON ST, Chicago | Rehabilitation Hospital | Jun 20, 2012 |
| 1457604662 | 250 E SUPERIOR ST FL 15, Chicago | General Acute Care Hospital | Oct 25, 2012 |
| 1760729396 | 675 N SAINT CLAIR ST SUITE 14-100, Chicago | General Acute Care Hospital | Jan 16, 2013 |
| 1902238645 | 676 N SAINT CLAIR ST STE 560, Chicago | Specialty Pharmacy | Aug 5, 2013 |
| 1144657131 | 737 N MICHIGAN AVE SUITE 1600, Chicago | General Acute Care Hospital | Oct 4, 2013 |
| 1255715488 | 710 N FAIRBANKS CT # 7121, Chicago | General Acute Care Hospital | Jul 17, 2015 |
| 1417619412 | 676 N SAINT CLAIR ST STE 560, Chicago | Community/Retail Pharmacy | Oct 7, 2021 |
| 1699247502 | 2701 PATRIOT BLVD, Glenview | Family Medicine Physician | Dec 18, 2018 |
Checking an organization
- Match the NPI to the exact location you will visit or bill; each location can have its own.
- Confirm the business entity with the secretary of state.
- Check the HHS-OIG exclusion list for the organization and its owners.
- Verify each clinician you will see on their own record and with the state license search.
Common questions
Why does Northwestern Memorial Hospital have 26 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 Hospital's NPIs list practice locations in 3 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.