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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).

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Additional Information
Dr. Frederick Anthony Willyerd MD is a male Critical Care Specialist and practices in Pediatric Critical Care Medicine.
Where does Dr. Frederick A. Willyerd practice?
Dr. Frederick Willyerd has 1 office location.
Dr. Frederick Willyerd practices Pediatric Critical Care Medicine near Phoenix, AZ.
See Phoenix Pediatricians.