Individual provider · Type 1 NPI

Catherine Day

Psychologist · Frederick, MD

NPI number 1699636720 Active

Practice location

10 N Jefferson St Ste 203
Frederick, MD 21701-4865

Call (202) 750-1028 Map

Mailing address

6010 Executive Blvd Unit 303
Rockville, MD 20852-3809

Other practice locations

  • 6010 Executive Blvd Unit 303, Rockville, MD 20852-3809 · (202) 750-1028

Specialties and licenses

TaxonomyCodeLicense
Psychologist Primary 103T00000XA01225 (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 1699636720

Catherine Day's National Provider Identifier is 1699636720, issued on Nov 19, 2025. The primary taxonomy on file is Psychologist (103T00000X), and the practice location is in Frederick, MD. The record was last updated on May 22, 2026.