Individual provider · Type 1 NPI

Tierney Callahan O'Brien, MA, SSP

School Psychologist · Milwaukee, WI

NPI number 1649187410 Active

Practice location

5000 N 53rd St
Milwaukee, WI 53218-4333

Call (414) 393-5400 Map

Mailing address

1132 S 3rd St
Milwaukee, WI 53204-2413

Specialties and licenses

TaxonomyCodeLicense
School Psychologist Primary 103TS0200X3001029046 (WI)

School Psychologist: A psychologist whose specialty is concerned with the science and practice of psychology with children, youth, families; learners of all ages; and the schooling process. The basic education and training of school psychologists prepares them to provide a range of psychological diagnosis, assessment, intervention, prevention, health promotion, and program development and evaluation services with a special focus on the …

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About NPI 1649187410

Tierney Callahan O'Brien, MA, SSP's National Provider Identifier is 1649187410, issued on Aug 26, 2026. The primary taxonomy on file is School Psychologist (103TS0200X), and the practice location is in Milwaukee, WI. The record was last updated on Aug 26, 2026.