Individual provider · Type 1 NPI

Joann K. Thacker, PhD

Psychologist · Silver Spring, MD

NPI number 1205862406 Active

Practice location

11215 Oak Leaf Dr, Suite 108
Silver Spring, MD 20901-1317

Call (301) 593-1315 Map

Fax (301) 681-4699

Specialties and licenses

TaxonomyCodeLicense
Psychologist Primary 103T00000X01659 (MD)

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 1205862406

Joann K. Thacker, PhD's National Provider Identifier is 1205862406, issued on Jun 23, 2006. The primary taxonomy on file is Psychologist (103T00000X), and the practice location is in Silver Spring, MD. The record was last updated on Jul 13, 2026.