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).
Our records indicate this doctor is retired.
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Specialties & Research
Dr. Charles O'Brien, MD is board certified in Surgery.
Education & Awards
Dr. O'Brien graduated from State University of New York at Buffalo.
Dr. O'Brien has 2 hospital affiliations:
- Highland Park/North Shore University Health System
- Evanston/North Shore University Health System
Accepted Insurance Plans
Dr. O'Brien accepts these health insurances in at least one office:
- USA H & W Network - 1 plan