Dr. John M O Brien Chicago, IL 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).

All medical specialties (and subspecialties if there are any):
Internal Medicine (primary)
Credentials:
Medical Doctor (MD)
Does doctor accept medicare assignment:
Yes.
Provider Enrollment, Chain and Ownership System (PECOS ID):
9537357330
Medical practice:
33 years
Graduated:
University Of Illinois At Chicago Health Science Center.
Graduation year:
1988
Language:
English