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Dr. Margaret Johnstone, M.D. is a diagnostic radiologist in Stony Brook, NY specializing in diagnostic radiology.
University Hospital L4
Stony Brook, NY 11794
She has a state license in New York.
Licensed In: New York
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Dr. Margaret Johnstone is a diagnostic radiology specialist in Stony Brook, NY. Dr. Johnstone obtained a license to practice in New York.
