Mary Deirdre Johnston is a Geriatric Psychiatry Physician based in White Marsh, MD and is specialized in Geriatric Psychiatry. Mary Deirdre Johnston practices in Baltimore, MD and has the professional credentials of MD. The NPI Number for Mary Deirdre Johnston is 1881670958 and holds a License No. 9500105 (Maryland).
The current practice location address for Mary Deirdre Johnston is 600 N Wolfe Street, Baltimore, MD and can be reached out via phone at 410-955-5147.
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