Northwestern Memorial Hospital – General Acute Care Hospital, NPI 1497859649

Northwestern Memorial Hospital is a healthcare provider. based in Chicago, Illinois. specializing in General Acute Care Hospital. The organization holds a License No. 0003251 (IL). The NPI Number for Northwestern Memorial Hospital is 1497859649

Main info

Organization
Name
Northwestern Memorial Hospital
NPI
1497859649
Phone
(312) 926-2000
Address
675 N Saint Clair St
Authorized Official
MR. JOHN A. ORSINI VICE PRESIDENT OF FINANCE
Enumeration Date
9 September 2006
Last Update Date
17 December 2025

Contacts

Main Contact
https://www.cms.gov/research-statistics-data-systems/electronics-submissions-medical-documentation-esmd/cms-health-information-handler
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness100
Years active:19State licenses:17/7 NPPES fields on file

Provider Addresses for Northwestern Memorial Hospital

  • 675 N Saint Clair St

    Chicago, IL 606115975

    Phone: (312) 926-2000

    Type: Location

  • Northwestern Memorial Hospital, 251, East Huron Street, Magnificent Mile, Near North Side, Chicago, Cook County, Illinois, 60611, United States

    CHICAGO, IL 606113055

    Phone:

    Type: Mailing

  • 4698 DEPT

    CAROL STREAM, IL 601224698

    Phone:

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2017-03-29

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
O20110516000169OHospitalILTBD
O20170329002024OHospitalILTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 60611)

Loading plans...

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

What federal number belongs to Northwestern Memorial Hospital?
The federal identifier for Northwestern Memorial Hospital is NPI 1497859649.
Does this profile mean Northwestern Memorial Hospital is currently active?
Yes — Northwestern Memorial Hospital appears active in the national provider directory.
What kind of provider is Northwestern Memorial Hospital?
The page reflects General Acute Care Hospital for Northwestern Memorial Hospital. Clinical services aligned with this taxonomy classification.
What location metadata exists for Northwestern Memorial Hospital?
The page summarizes Chicago, Illinois for Northwestern Memorial Hospital; expand the address list for detail.
How can I contact Northwestern Memorial Hospital?
Phone or fax may appear on the official NPI record when supplied — verify before relying on them.

Similar Providers

South Ellis Avenue, Douglas, Chicago, Cook County, Illinois, 60616, United States
NPI: 1922001874
Sparrow Hospital, 1215, East Michigan Avenue, Lansing, Lansing Charter Township, Ingham County, Michigan, 48912, United States
NPI: 1508869108
1102 W MACARTHUR
NPI: 1134123193

NORTON HOSPITAL

General Acute Care Hospital
PO BOX 35070
NPI: 1891799227

JACKSON PARK HOSPITAL FOUNDATION

General Acute Care Hospital
Jackson Park Hospital, 7531, South Stony Island Avenue, South Shore, Chicago, Hyde Park Township, Cook County, Illinois, 60649, United States
NPI: 1497750699

NORTON AUDUBON HOSPITAL

General Acute Care Hospital
PO BOX 35070
NPI: 1952307027

SACRED HEART HOSPITAL

General Acute Care Hospital
Sacred Heart Hospital, 3234-3240, West Franklin Boulevard, Humboldt Park, Chicago, Cook County, Illinois, 60624, United States
NPI: 1558367656

NORTON WOMEN'S AND CHILDRENS HOSPITAL

General Acute Care Hospital
PO BOX 35070
NPI: 1831195908
LOCKBOX FF PO BOX 2589
NPI: 1972500452