Dr. O'Brien graduated from the Midwestern University At Glendale in 2003. Dr. O'Brien works in Oak Park, IL and specializes in Critical Care Medicine, Internal Medicine and Pulmonology.
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Dr. O'Brien graduated from the Midwestern University At Glendale in 2003. Dr. O'Brien works in Oak Park, IL and specializes in Critical Care Medicine, Internal Medicine and Pulmonology.
MEDICAL SCHOOL
Midwestern University at Glendale - 2003