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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The overall average patient rating of Dr. Robert Johnston is Average.
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Specialties & Research
Dr. Robert Johnston, MD is board certified in Ophthalmology.
- He has special expertise in 1 area:
- Eye Cancer
Education & Awards
Dr. Johnston graduated from Johns Hopkins University, Baltimore.
Dr. Johnston has 4 hospital affiliations:
- Samaritan Medical Center
- Canton-Potsdam Hospital
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- Additional Information
- Dr. Robert Maynard Johnston MD is a male Ophthalmologist, has 43 years of experience and practices in Ophthalmology.
- Where does Dr. Robert M. Johnston practice?
- Dr. Robert Johnston has 3 office locations.
Dr. Robert Johnston practices Ophthalmology near Massena, NY.
Additional practice locations include: Watertown, NY and Potsdam, NY.
See Massena Ophthalmologists.