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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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
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- Additional Information
- Dr. John Marshall MD is a male Family Practitioner, has 34 years of experience and practices in Family Medicine.
- Where does Dr. John Marshall practice?
- Dr. John Marshall has 1 office location.
Dr. John Marshall practices Family Medicine near Phoenix, AZ.
See Phoenix Family Physicians.