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. John Marshall:
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- Currently 3.5 of 4 stars
The overall average patient rating of Dr. John Marshall, Family Practitioner, General Practitioner is Excellent.
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Specialties & Research
- He has special expertise in 1 area:
- Flu (Human Influenza)
Education & Awards
Dr. Marshall graduated from University Of Toronto Faculty Of Medicine. He has 2 awards.
Dr. Marshall has 5 hospital affiliations:
- Arizona Heart Hospital
- Paradise Valley Hospital
Accepted Insurance Plans
Dr. Marshall accepts these health insurances in at least one office:
- Aetna - 3 plans