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Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.

DR. MICHAEL JAMES BRENNAN, DO, MPH

Active

DR. MICHAEL JAMES BRENNAN, DO, MPH is a Critical Care Medicine healthcare provider located in CHICAGO, Illinois. NPI 1811550981 is currently active in the NPPES registry. Verify at CMS.

Critical Care Medicine · CHICAGO, IL

Registration Details

NPI Number
1811550981
Provider Type
Individual
Gender
Male
NPI Issued
Apr 15, 2019 (7.2892841834543 yrs)
Last Updated
Sep 24, 2025
Licenses
5101025918 (MI)
036.164300 (IL)
5151013942 (MI)
036.164300 (IL)

Practice Information

Address
1620 W HARRISON ST
CHICAGO, IL, 606123801
Browse IL providers · Browse ZIP 60612
Phone
3129425000
Primary Specialty
Critical Care Medicine
207RC0200X
Additional Specialty
Emergency Medicine
Additional Specialty
Emergency Medicine
Additional Specialty
Critical Care Medicine

Other Critical Care Medicine Providers in CHICAGO, IL

Name Credential NPI
DR. MICHAEL HOWARD RIES MD 1366446791
DR. RADA IVANOV M.D. 1790782613
DR. MARIA ELENA ILIESCU-LEVINE M.D. 1235131046
DR. SHIRIN MUZAFFAR M.D. 1902890635
SUNDAR SIVAPRAKASAM MD 1720063530
VENKATA BUDDHARAJU M.D., F.C.C.P. 1790737781
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.