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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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> > > > Dr. John Alexander, DO

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Additional Information
Dr. John Anthony Alexander DO is a male Pediatrician and practices in Pediatrics.
Where does Dr. John A. Alexander practice?
Dr. John Alexander has 1 office location.
Dr. John Alexander practices Pediatrics near Hershey, PA.
See Hershey Pediatricians.