Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Michael James Brennan, DO, MPH

Individual provider Emergency Medicine Physician · NPI 1811550981

Dr. Michael James Brennan, DO, MPH is a Critical Care (Intensivists) in Chicago, Illinois. Graduated from Lake Erie Col of Osteopathic Medicine, Bradenton in 2019, 7 years ago. Practices with Riverside Emergency Physicians LLC, a 36-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in Illinois and Michigan.

Years since qualifying
7
Trained at
Lake Erie Col of Osteopathic Medicine, Bradenton
Licensed in
IL, MI
In the registry since
2019
Specialties on file
4
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.
MPH — Master of Public Health
A graduate degree in population health.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1620 W Harrison St
Chicago, IL 60612-3801
Phone: (312) 942-5000
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (4)

  • 4440 W 95th St, Oak Lawn, IL 60453-2600 — (708) 283-5500
  • 468 Cadieux Rd, Grosse Pointe, MI 48230-1507 — (313) 473-1000
  • 10000 Telegraph Rd, Taylor, MI 48180-3330 — (313) 295-5000
  • 33155 Annapolis St, Wayne, MI 48184-2405 — (734) 467-4000

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence 036.164300 (IL)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 5101025918 (MI)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 036.164300 (IL)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 5151013942 (MI)

Record details

NPI number1811550981
Entity typeIndividual (Type 1)
GenderMale
Credentials DO , MPH
Sole proprietorNo
NPI enumeratedApril 15, 2019
Last updated in NPPESSeptember 24, 2025
Certification dateSeptember 24, 2025
Mailing address29373 Network Pl, Chicago, IL 60673-1293

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Medical schoolLAKE ERIE COL OF OSTEOPATHIC MEDICINE, BRADENTON
Graduated 2019 (7 years in practice)
Group practice Riverside Emergency Physicians Llc — 36 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Chicago