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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. James O'Brien:

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Specialties & Research

Dr. James O'Brien, MD is board certified in Internal Medicine and Medical Oncology.

  • He has special expertise in 1 area:
  • Cancer

Education & Awards

Dr. O'Brien graduated from University of South Florida Health, Tampa.


Dr. O'Brien has 11 hospital affiliations:

  • Presb Orthopaedic Hospital 
  • Presbyterian Hospital 

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Additional Information
Dr. James Patrick O'Brien MD is a male Internist, has 10 years of experience and practices in Internal Medicine and Medical Oncology.
Where does Dr. James P. O'Brien practice?
Dr. James O'Brien has 2 office locations.
Dr. James O'Brien practices Internal Medicine and Medical Oncology near Charlotte, NC.
Additional practice locations include: Rock Hill, SC.
See Charlotte Internists and Charlotte Oncologists.