NORTHWESTERN MEMORIAL HOSPITAL
NPI 1861609208
General Acute Care Hospital in Chicago, IL

NPI Status: Active since May 16, 2007

Contact Information

251 E HURON ST
FEINBERG 4-508
CHICAGO, IL
ZIP 60611
Phone: (312) 926-5499
Fax: (312) 926-7464

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  • Organization
  • General Acute Care Hospital
  • CLIA Number: 14D0980567
  • CLIA Cert. Type: Comp. Outpatient Rehab Facility
  • CLIA Exp. Date: 11-26-2026

About NORTHWESTERN MEMORIAL HOSPITAL

This page provides the complete NPI Profile along with additional information for Northwestern Memorial Hospital, a provider established in Chicago, Illinois operating as a General Acute Care Hospital. The healthcare provider is registered in the NPI registry with number 1861609208 assigned on May 2007. The practitioner's primary taxonomy code is 282N00000X with license number 209005996 (IL). The provider is registered as an organization and their NPI record was last updated 14 years ago. The authorized official of this NPI record is Miss Diane Michelle Yonan Np (Nurse Practitioner Neurosurgery)

NPI
1861609208
Provider Name
NORTHWESTERN MEMORIAL HOSPITAL
Entity Type
Organization
Location Address
251 E HURON ST FEINBERG 4-508 CHICAGO, IL 60611
Location Phone
(312) 926-5499
Location Fax
(312) 926-7464
Mailing Address
849 N FRANKLIN ST UNIT # 610 CHICAGO, IL 60610
Mailing Phone
(312) 926-5499
Mailing Fax
(312) 926-7464
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-16-2007
Last Update Date
02-14-2012
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

General Acute Care Hospital

Taxonomy Code
282N00000X
Type
Hospitals
License No.
209005996
License State
IL
Taxonomy Description
An acute general hospital is an institution whose primary function is to provide inpatient diagnostic and therapeutic services for a variety of medical conditions, both surgical and non-surgical, to a wide population group. The hospital treats patients in an acute phase of illness or injury, characterized by a single episode or a fairly short duration, from which the patient returns to his or her normal or previous level of activity.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

MISS DIANE MICHELLE YONAN NP

Authorized Official Title
NURSE PRACTITIONER NEUROSURGERY
Authorized Official Phone
(312) 926-5499

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
14D0980567
Facility Type
Comp. Outpatient Rehab Facility
Certificate Effective Date
November 27, 2024
Certificate Expiration Date
November 26, 2026
Laboratory Director
ALLISON RAE ZIELINSKI
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Northwestern Memorial Hospital to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1861609208, we treat the final digit (8) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
1
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
0
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
2
Unchanged
Pos 9
0
Doubled → 0
Check
8
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 6 → 12 → 3 6 → 12 → 3 9 → 18 → 9 0 → 0

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 8 + 1 + 2 + 1 + 1 + 2 + 0 + 1 + 8 + 2 + 0 + 24 = 52

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1861609208.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Radiology (Nuclear Radiology)
251 E HURON ST, NUCLEAR MEDICINE, GALTER 8-110
CHICAGO, IL 60611
Hospitalist
251 E HURON ST, SUITE 738
CHICAGO, IL 60611
Radiology (Radiation Oncology)
251 E HURON ST, GALTER PAVILLION
CHICAGO, IL 60611
Radiology (Radiation Oncology)
251 E HURON ST, GALTER PAVILLION
CHICAGO, IL 60611
Radiology (Radiation Oncology)
251 E HURON ST, GALTER PAVILLION
CHICAGO, IL 60611
Radiology (Radiation Oncology)
251 E HURON ST, GALTER PAVILLION
CHICAGO, IL 60611
Anesthesiology
251 E HURON ST, FEINBERG 5-704
CHICAGO, IL 60611
Anesthesiology
251 E HURON ST, FEINBERG 5-704
CHICAGO, IL 60611
Radiology (Diagnostic Radiology)
251 E HURON ST, FEINBERG 4-710
CHICAGO, IL 60611
Nurse Anesthetist, Certified Registered
251 E HURON ST, GALTER 5-704
CHICAGO, IL 60611
Nurse Anesthetist, Certified Registered
251 E HURON ST, FEINBERG 5-704
CHICAGO, IL 60611
Nurse Anesthetist, Certified Registered
251 E HURON ST, FEINBERG 5-704
CHICAGO, IL 60611
Anesthesiology
251 E HURON ST, FEINBERG 5-520
CHICAGO, IL 60611
Radiology (Diagnostic Radiology)
251 E HURON ST, FEINBERG 4-741G
CHICAGO, IL 60611
Radiology (Vascular & Interventional Radiology)
251 E HURON ST, FEINBERG 4-741G
CHICAGO, IL 60611
Nurse Anesthetist, Certified Registered
251 E HURON ST, FEINBERG 5-704
CHICAGO, IL 60611
Anesthesiology
251 E HURON ST, FEINBERG 5-520
CHICAGO, IL 60611
Internal Medicine (Pulmonary Disease)
251 E HURON ST, GALTER-3-150
CHICAGO, IL 60611
Anesthesiology
251 E HURON ST, FEINBERG 5-704
CHICAGO, IL 60611
Nurse Anesthetist, Certified Registered
251 E HURON ST, FEINBERG5-704
CHICAGO, IL 60611

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1861609208, enumerated as an "organization" on May 16, 2007.

The provider is located at 251 E HURON ST FEINBERG 4-508 CHICAGO, IL 60611 and the phone number is (312) 926-5499.

General Acute Care Hospital with taxonomy code 282N00000X.