Dr. Michael James Brennan
Dr. Michael J. Brennan
Last updated: Sep 24, 2025

Dr. Michael J. Brennan

  • Gender: Male
  • Sole propriator: No
  • NPI: 1811550981

Dr. Michael J. Brennan DO, MPH

Emergency Physician

He is located at 1620 West Harrison Street in Chicago, IL 60612. Can help patients with the following: Brain Aneurysm, Broken Bone, Bruises, Common Cold, Fever, Prescription Refill. His National Provider Identifier (NPI) number is 1811550981. Appointment can be made via the phone number (312) 942-5000.

Conditions treated

Dr. Michael James Brennan, being an emergency physician, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Michael J. Brennan.

  • Acute Pain
  • Altitude Sickness
  • Angina
  • Brain Aneurysm
  • Brain Hemorrhage
  • Broken Bone
  • Bruises
  • Choking
  • Common Cold
  • Coronavirus
  • Costochondritis
  • Febrile Seizure
  • Fever
  • Frostbite
  • General Care
  • Headache
  • Hematoma
  • Influenza
  • Insect Stings
  • Laceration
  • Migraine
  • Nausea and Vomiting
  • Phlebitis and Thrombophlebitis
  • Prescription Refill
  • Whiplash

Medicare Enrollment

Dr. Michael J. Brennan is enrolled to bill Medicare as a Practitioner - Emergency Medicine .

Bills through: Lifecare Medical Center

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Additional Specialities

  • Resident

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Questions & Answers

Does Dr. Michael James Brennan accept insurance?

Unfortunately we don't have any information if Dr. Michael James Brennan accepts insurance.

Where can you meet with Dr. Michael James Brennan?

Dr. Michael James Brennan's office is located at 1620 West Harrison Street in Chicago, IL 60612.

What conditions does Dr. Michael James Brennan treat?

Dr. Michael James Brennan provides treatment for Brain Aneurysm, Broken Bone, Bruises, Common Cold, Fever, Prescription Refill. For the full list see this list.