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
Accepted Insurance Plans
Dr. Barr accepts these health insurances in at least one office:
- Aetna - 3 plans
- United Healthcare - 8 plans
- The Chartered Health Plan - 2 plans
- Medicare - 1 plan
Similar doctors nearby
- Additional Information
- Where does Dr. Michael S. Barr practice?
Dr. Michael Barr practices Internal Medicine near Columbia, MD.
Additional practice locations include: Washington, DC.
See Columbia Internists.