Individual provider · Type 1 NPI

Sibyl Rae Cornell Hewitt, PhD

Psychologist · Boulder, CO

NPI number 1831738863 Active

Practice location

777 29th St Ste 500
Boulder, CO 80303-2357

Call (720) 551-8074 Map

Specialties and licenses

TaxonomyCodeLicense
Clinical Psychologist 103TC0700XPSY.0006814 (CO)
Psychologist Primary 103T00000XPSY.0006814 (CO)

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 1831738863

Sibyl Rae Cornell Hewitt, PhD's National Provider Identifier is 1831738863, issued on Dec 20, 2019. The primary taxonomy on file is Psychologist (103T00000X), and the practice location is in Boulder, CO. The record was last updated on Apr 27, 2026.