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. Cynthia O'Brien:
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- Currently 3.5 of 4 stars
The overall average patient rating of Dr. Cynthia O'Brien is Excellent.
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Education & Awards
Dr. O'Brien graduated from Loyola University Chicago, Maywood. She has 2 awards.
Dr. O'Brien has 1 hospital affiliations:
- Central Dupage Hospital
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- Additional Information
- Where does Dr. Cynthia M. O'Brien practice?
Dr. Cynthia O'Brien practices Psychiatry near Winfield, IL.
See Winfield Psychiatrists.