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Internist, Critical Care Specialist, Pulmonologist (lungs)
15 years of experience
Accepting new patients
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. James O'Brien:

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Specialties & Research

Dr. James O'Brien, MD is board certified in Internal Medicine, Critical Care Medicine, and Pulmonary Disease.

  • He has special expertise in 1 area:
  • Adult Respiratory Distress Syndrome (ARDS)

Education & Awards

Dr. O'Brien graduated from The Ohio State University , Columbus.


Dr. O'Brien has 9 hospital affiliations:

  • Grant Medical Center 
  • The Ohio State University Hospital 

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Additional Information
Dr. James M O'Brien MD is a male Internist, has 15 years of experience and practices in Internal Medicine, Critical Care Medicine, and Pulmonary Disease.
Where does Dr. James M. O'Brien practice?
Dr. James O'Brien has 9 office locations.
Dr. James O'Brien practices Internal Medicine, Critical Care Medicine, and Pulmonary Disease near Columbus, OH.
Additional practice locations include: Dublin, OH.
See Columbus Internists, Columbus Critical Care Practitioners, and Columbus Pulmonologists.