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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. 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
Dr. Edward Patrick O'Brien MD is a male Internist, has 12 years of experience and practices in Internal Medicine.
Where does Dr. Edward P. O'Brien practice?
Dr. Edward O'Brien has 1 office location.
Dr. Edward O'Brien practices Internal Medicine near Buffalo, NY.
See Buffalo Internists.