Individual provider · Type 1 NPI

Dianna E. Washington, PhD

Psychologist · Silver Spring, MD

NPI number 1376685842 Active

Practice location

8811 Colesville Rd, Suite 105
Silver Spring, MD 20910-4343

Call (301) 587-8307 Map

Mailing address

14547 Jaystone Dr
Silver Spring, MD 20905-7404

Specialties and licenses

TaxonomyCodeLicense
Clinical Psychologist 103TC0700X01771 (MD)
Clinical Psychologist 103TC0700X1317 (DC)
Psychologist 103T00000X01771 (MD)
Psychologist Primary 103T00000X1317 (DC)

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 1376685842

Dianna E. Washington, PhD's National Provider Identifier is 1376685842, issued on Feb 13, 2007. The primary taxonomy on file is Psychologist (103T00000X), and the practice location is in Silver Spring, MD. The record was last updated on Sep 11, 2025.