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).
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Education & Awards
Dr. O'Barr graduated from University of Arizona, Tucson.
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- Additional Information
- Dr. Christopher M O'Barr MD is a male Internist, has 4 years of experience and practices in Internal Medicine.
- Where does Dr. Christopher M. O'Barr practice?
- Dr. Christopher O'Barr has 1 office location.
Dr. Christopher O'Barr practices Internal Medicine near Phoenix, AZ.
See Phoenix Internists.