> > > > Dr. John O'Brien, MD
Dr. John Martin O'Brien MD is a male Internist, has 22 years of experience and practices in Internal Medicine and Adolescent Medicine.
Dr. John O'Brien has 3 office locations.
627 S Wood
Suite 809
Chicago, IL 60612

Phone Number
Locations and availability (3)
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. John O'Brien:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

View full profile

Patient Reviews

No reviews yet…
be the first!

Specialties & Research

Dr. John O'Brien, MD is board certified in Internal Medicine.


Education & Awards

Dr. O'Brien graduated from Rosalind Franklin University, North Chicago.


Affiliations

Dr. O'Brien has 2 hospital affiliations:

  • Advocate Illinois Masonic Medical Center 
  • John H. Stroger,Jr.,Hospital of Cook County 

Accepted Insurance Plans

Dr. O'Brien accepts these health insurances in at least one office:

  • Aetna - 3 plans


Similar doctors nearby

Dr. Tracie Wilcox

Internal Medicine
9 years experience
Chicago, IL

Dr. Leon Gussow

Emergency Medicine
30 years experience
Chicago, IL

Dr. Roger Kao

Internal Medicine
11 years experience
Chicago, IL

Dr. David Tillman

Internal Medicine
36 years experience
Chicago, IL

Dr. Alexandra Van Meter

Internal Medicine
Chicago, IL

Dr. Ryan Buck

Internal Medicine
3 years experience
Chicago, IL
Search All Similar Doctors
Additional Information
Where does Dr. John M. O'Brien practice?
Dr. John O'Brien practices Internal Medicine and Adolescent Medicine near Chicago, IL.
See Chicago Internists and Chicago Adolescent Specialists.