NPPES file of Aug 9, 2026

Weiss Memorial Hospital

Weiss Memorial Hospital holds 8 active organization NPIs in the federal registry, with practice locations in 2 Illinois cities. 4 list general acute care hospital 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

Chicago has the most NPIs, 7

  1. Chicago7
  2. Lake Bluff1

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

Most NPIs were issued in 2011 and 2012

Weiss Memorial Hospital NPIs by year issued2006: 1, 2007: 1, 2008: 0, 2009: 1, 2010: 0, 2011: 2, 2012: 30123200620072008200920102011201223111
Weiss Memorial Hospital NPIs by year issued2006: 1, 2007: 1, 2008: 0, 2009: 1, 2010: 0, 2011: 2, 2012: 30123200620072008200920102011201223111
Weiss Memorial Hospital NPIs by year issued2006: 1, 2007: 1, 2008: 0, 2009: 1, 2010: 0, 2011: 2, 2012: 30123200620072008200920102011201223111

Source: CMS NPPES, enumeration dates.

3 NPIs were issued in 2012 alone, more than in any other year; none in 2 of the years between.

Chicago locations

The city with the most Weiss Memorial Hospital NPIs. The full list of all 8 follows.

NPILocationPrimary taxonomyIssued
13463258754646 N MARINE DR, ChicagoGeneral Acute Care HospitalOct 25, 2006
13363649759627 S LA SALLE ST, ChicagoGeneral Acute Care HospitalApr 17, 2007
12758639044600 N CLARENDON AVE THE COVINGTON, ChicagoCritical Access HospitalDec 31, 2009
10233163044600 N CLARENDON AVE APT 1006, ChicagoGeneral Acute Care HospitalMar 10, 2011
10334971104646 N MARINE DR, ChicagoChronic Disease HospitalJul 24, 2011
15182220174646 N MARINE DR SUITE 7100, ChicagoInternal Medicine PhysicianJul 10, 2012
15980104564646 N MARINE DR, ChicagoChronic Disease HospitalJul 17, 2012
All 8 locations, by city
NPILocationPrimary taxonomyIssued
13463258754646 N MARINE DR, ChicagoGeneral Acute Care HospitalOct 25, 2006
13363649759627 S LA SALLE ST, ChicagoGeneral Acute Care HospitalApr 17, 2007
12758639044600 N CLARENDON AVE THE COVINGTON, ChicagoCritical Access HospitalDec 31, 2009
10233163044600 N CLARENDON AVE APT 1006, ChicagoGeneral Acute Care HospitalMar 10, 2011
10334971104646 N MARINE DR, ChicagoChronic Disease HospitalJul 24, 2011
15182220174646 N MARINE DR SUITE 7100, ChicagoInternal Medicine PhysicianJul 10, 2012
15980104564646 N MARINE DR, ChicagoChronic Disease HospitalJul 17, 2012
1356601751655 ROCKLAND RD STE 211, Lake BluffGeneral Acute Care HospitalMay 21, 2012

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 Weiss Memorial Hospital 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. Weiss Memorial Hospital'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.