Individual provider · Type 1 NPI

Mark C. Johnston, PhD

Psychologist · Boston, MA

NPI number 1023026200 Active

Practice location

607 Boylston St, Rasi Associates - 2nd Floor
Boston, MA 02116-3604

Fax (617) 266-6070

Specialties and licenses

TaxonomyCodeLicense
Psychologist Primary 103T00000X7902 (MA)

Psychologist: A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustmen…

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About NPI 1023026200

Mark C. Johnston, PhD's National Provider Identifier is 1023026200, issued on Aug 4, 2006. The primary taxonomy on file is Psychologist (103T00000X), and the practice location is in Boston, MA. The record was last updated on Jul 8, 2007.