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The overall average patient rating of Dr. Gregory Johnston is Below Average.
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Specialties & Research
- He has special expertise in 1 area:
- Flu (Human Influenza)
Education & Awards
Dr. Johnston graduated from Universidad Central Del Caribe, Bayamon.
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- Additional Information
- Dr. Gregory Scott Johnston MD is a male General Practitioner, has 25 years of experience and practices in General Practice.
- Where does Dr. Gregory S. Johnston practice?
- Dr. Gregory Johnston has 1 office location.
Dr. Gregory Johnston practices General Practice near Phoenix, AZ.
See Phoenix Primary Care Doctors.