Dr. John M O Brien
Internal Medicine (primary specialty)
Dr. John M O Brien (Internal Medicine). To get in touch with doctor visit 1901 W Harrison St, Chicago, IL, or call +13128646000 to make an appointment beforehand. Graduation year: 1988 (20 years in 2021).
Chicago, IL 60612-3714
All medical specialties (and subspecialties if there are any):
Internal Medicine (primary)
Medical Doctor (MD)
Does doctor accept medicare assignment:
Provider Enrollment, Chain and Ownership System (PECOS ID):
University Of Illinois At Chicago Health Science Center.