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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. Keith O'Brien:

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Specialties & Research

Dr. Keith O'Brien, MD is board certified in Internal Medicine.

Education & Awards

Dr. O'Brien graduated from Morehouse University, Atlanta.


Dr. O'Brien has 2 hospital affiliations:

  • Cleveland Clinic 
  • Southwest General Health Center 

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

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Additional Information
Dr. Keith Osmond O'Brien MD is a male Internist, has 12 years of experience and practices in Internal Medicine.
Where does Dr. Keith O. O'Brien practice?
Dr. Keith O'Brien has 2 office locations.
Dr. Keith O'Brien practices Internal Medicine near Cleveland, OH.
Additional practice locations include: Ashtabula, OH.
See Cleveland Internists.