OSASUMWEN O. OSAYIMWEN MD – NPI #1376724898
Hospitalist

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

OSASUMWEN OSAYIMWEN is a hospitalist located in GLENVIEW, IL. NPPES has assigned the NPI number 1376724898 to OSASUMWEN OSAYIMWEN on November 27, 2007. It is a Type-1 NPI, indicating this NPI number is associated with an individual. According to the NPI Registry, there are 2 additional location(s) assigned to this provider which are listed below. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 208M00000X from the Health Care Provider Taxonomy code set, which is classified as Hospitalist.

The NPI profile was last updated on Sep 09, 2025. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for OSASUMWEN OSAYIMWEN below.

NPI Profile for
OSASUMWEN O. OSAYIMWEN

NPI Number
1376724898
Enumeration Date

(more than 18 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
OSASUMWEN O. OSAYIMWEN
Credentials
MD
Primary location
2100 PFINGSTEN RD STE 3001A
GLENVIEW, IL 60026
Phone: (847) 657-5840 Fax: (847) 657-5732
2 Other location(s):
5145 N. California Ave.
IM/ICU Hospitalists-Suite 331
Chicago, IL 60625-3661
Phone: (847) 570-1027
Fax: (773) 989-1734
2100 Pfingsten Rd
Ste 3001A
Glenview, IL 60026-1301
Phone: (847) 657-5840
Fax: (847) 657-5732
Mailing address
Same as primary location
Sole Proprietor
No
Updated
Certification Date
Sep 09, 2025

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
208M00000X
- Hospitalist (Primary)
IL 036121023
207R00000X
- Internal Medicine
IL 036121023

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Additional Information

Education
BOSTON UNIVERSITY SCHOOL OF MEDICINE - Graduated 2004
Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
OSASUMWEN OSAYIMWEN is affiliated with the following medical group(s):
  • HOSPITAL
    • NORTHSHORE UNIVERSITY HEALTHSYSTEM - EVANSTON HOSPITAL
      2650 RIDGE AVE
      EVANSTON, IL 60201

Why is my NPI data (personal information) being displayed publicly?
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How do I correct or change the NPI data displayed here?
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Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.