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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. Michael Barr:

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Specialties & Research

Dr. Michael Barr, MBA, MD is board certified in Internal Medicine.

Education & Awards

Dr. Barr graduated from New York University.


Dr. Barr has 4 hospital affiliations:

  • The Johns Hopkins Hospital 
  • Johns Hopkins Bayview Medical Center 

> > > > Dr. Michael Barr, MBA, MD

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Additional Information
Dr. Michael Stuart Barr MBA and MD is a male Internist, has 25 years of experience and practices in Internal Medicine.
Where does Dr. Michael S. Barr practice?
Dr. Michael Barr has 2 office locations.
Dr. Michael Barr practices Internal Medicine near Columbia, MD.
Additional practice locations include: Washington, DC.
See Columbia Internists.