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. Christopher O'Barr:
View the full profile to get information on:
- What's important to you
View full profile
be the first!
Education & Awards
Dr. O'Barr graduated from University of Arizona, Tucson.More Education & Awards
Similar doctors nearby
- Additional Information
- Where does Dr. Christopher M. O'Barr practice?
Dr. Christopher O'Barr practices Internal Medicine near Phoenix, AZ.
See Phoenix Internists.