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100 Powers StBeverly, MA 01915
Phone+1 978-977-3000
Fax+1 978-750-6988
Dr. McMahon is on Doximity
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Education & Training
Yale-New Haven Medical CenterResidency, Psychiatry, 1975 - 1979
Stanford University School of MedicineClass of 1975
Certifications & Licensure
MA State Medical License 1995 - 2016
CA State Medical License Active through 2014
American Board of Psychiatry and Neurology Psychiatry
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