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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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Patient Reviews

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The overall average patient rating of Dr. John Mason is Poor. Dr. Mason has been reviewed by 1 patients who have provided 0 comments. The rating is 1 out of 5 stars.

Specialties & Research

Dr. John Mason, MD is board certified in Emergency Medicine.

Education & Awards

Dr. Mason graduated from Universidad Central Del Caribe, Bayamon.


  • English
  • Spanish

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Additional Information
Dr. John Dawson Mason MD is a male Emergency Medicine Specialist, has 12 years of experience and practices in Emergency Medicine.
Where does Dr. John D. Mason practice?
Dr. John Mason has 1 office location.
Dr. John Mason practices Emergency Medicine near Goodyear, AZ.
See Goodyear Emergency Physicians.