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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 Radiology.

  • He has special expertise in 1 area:
  • Cancer

Education & Awards

Dr. O'Brien graduated from Saint Louis University.


Dr. O'Brien has 7 hospital affiliations:

  • Kenneth Hall Regional Hospital 
  • Des Peres Hospital 

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Additional Information
Dr. Edward Joseph O'Brien MD is a male Radiologist, has 44 years of experience and practices in Radiology.
Where does Dr. Edward J. O'Brien practice?
Dr. Edward O'Brien has 12 office locations.
Dr. Edward O'Brien practices Radiology near Saint Louis, MO.
Additional practice locations include: Hazelwood, MO and Chesterfield, MO.
See Saint Louis Radiologists.