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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. David O'Brien:

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Specialties & Research

Dr. David O'Brien, MD is board certified in Anatomic Pathology & Clinical Pathology.


Education & Awards

Dr. O'Brien graduated from Indiana University , Indianapolis.


Affiliations

Dr. O'Brien has 3 hospital affiliations:

  • Holland Hospital 
  • St Joseph Medical Ctr 
  • Va Medical Center 

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Additional Information
Dr. David Michael O'Brien MD is a male Pathologist, has 43 years of experience and practices in Anatomic Pathology & Clinical Pathology.
Where does Dr. David M. O'Brien practice?
Dr. David O'Brien has 2 office locations.
Dr. David O'Brien practices Anatomic Pathology & Clinical Pathology near Columbus, IN.
Additional practice locations include: Brainerd, MN.
See Columbus Pathologists.