Individual provider · Type 1 NPI

Addette L. Williams, PhD

Psychologist · New York, NY

NPI number 1720298532 Active

Practice location

330 W 58th St, Suite 611
New York, NY 10019-1827

Call (917) 209-5199 Map

Mailing address

15620 Riverside Dr W, #4F
New York, NY 10032-7010

Specialties and licenses

TaxonomyCodeLicense
Psychologist Primary 103T00000X015131 (NY)
Clinical Psychologist 103TC0700X015131 (NY)
Clinical Child & Adolescent Psychologist 103TC2200X015131 (NY)

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 1720298532

Addette L. Williams, PhD's National Provider Identifier is 1720298532, issued on May 23, 2007. The primary taxonomy on file is Psychologist (103T00000X), and the practice location is in New York, NY. The record was last updated on Sep 11, 2025.