Internal Medicine, Critical Care Medicine
Dr. MICHAEL BRENNAN DO, MPH
Identity confirmed via CMS NPPES · September 30, 2026 · A directory match is not a coverage approval.
Is this your practice? This listing was imported from public provider identity data (CMS NPPES) and has not yet been claimed. Claim this listing to confirm the practice details. Plan acceptance stays unpublished until the practice reports it.
Public record
NPI 1811550981 · enumerated 2019-04-15 · record updated 2025-09-24. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Addresses and phones
- Mailing address 29373 NETWORK PL, CHICAGO, IL, 60673-1293 (847) 390-5900 Google Maps Apple Maps OpenStreetMap
- Practice location 1620 W HARRISON ST, CHICAGO, IL, 60612-3801 (312) 942-5000 Google Maps Apple Maps OpenStreetMap
Specialties
- Emergency Medicine 207P00000X · License 5101025918 MI
- Emergency Medicine 207P00000X · License 036.164300 IL
- Emergency Medicine 207P00000X · License 5151013942 MI
- Internal Medicine, Critical Care Medicine 207RC0200X · Primary · License 036.164300 IL
Published links
In this directory
IL Cook County Chicago Internal Medicine, Critical Care Medicine
Locations and evidence
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Practice location
CHICAGO, IL, 606123801
Accepting new patientsNot reportedCMS NPPES · September 30, 2026
Plan acceptance
- No published plan acceptance yet. Confirm directly with the practice, or claim this listing if it's yours.