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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:

  • Des Peres Hospital 
  • Kenneth Hall Regional Hospital 

> > > > Dr. Edward O'Brien, MD

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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 2 office locations.
Dr. Edward O'Brien practices Radiology near Billings, MT.
Additional practice locations include: Saint Louis, MO.
See Billings Radiologists.