DR. MICHAEL JAMES BRENNAN DO MPH NPI 1811550981

NPI Information

  • NPI: 1811550981
  • Provider Name: DR. MICHAEL JAMES BRENNAN, DO, MPH
  • Classification: Internal Medicine - 207RC0200X
  • Specialization: Critical Care Medicine
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 1620 W HARRISON ST
    CHICAGO, IL
    ZIP 60612
  • Phone: (312) 942-5000

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NPI Details

DR. Michael James Brennan, DO, MPH is a critical care medicine internal medicine in Chicago, IL with 7 years of experience. The provider is an internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists. DR. Michael James Brennan, DO, MPH NPI is 1811550981. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: LAKE ERIE COL OF OSTEOPATHIC MEDICINE, BRADENTON
Graduation Year:2019

The provider's business location address is:

1620 W HARRISON ST
CHICAGO, IL
ZIP 60612-801
Phone: (312) 942-5000

The NPI 1811550981 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The enumeration date for this NPI number is 4/15/2019 and was last updated on 9/24/2025.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207P00000XEmergency Medicine5101025918MICHIGANNo
2207P00000XEmergency Medicine036.164300ILLINOISNo
3207P00000XEmergency Medicine5151013942MICHIGANNo
4207RC0200XInternal MedicineCritical Care Medicine036.164300ILLINOISYes

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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