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. Edward O'Brien:
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Specialties & Research
Dr. Edward O'Brien, MD is board certified in Internal Medicine.
- He has special expertise in 1 area:
- Flu (Human Influenza)
Education & Awards
Dr. O'Brien graduated from St. George's University, Bay Shore.
Dr. O'Brien has 8 hospital affiliations:
- Catholic Health System/Sisters of Charity Hospital
- Catholic Health System - Mercy Hospital of Buffalo
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- Additional Information
- Where does Dr. Edward P. O'Brien practice?
Dr. Edward O'Brien practices Internal Medicine near Buffalo, NY.
See Buffalo Internists.