Individual provider · Type 1 NPI

Leslie R. O'Brien, MSW, LICSW

Clinical Social Worker · Lexington, MA

NPI number 1497067631 Active

Practice location

52 Waltham St
Lexington, MA 02421-5407

Mailing address

34 Philbrick Rd
Brookline, MA 02445-6004

Specialties and licenses

TaxonomyCodeLicense
Clinical Social Worker Primary 1041C0700XNone listed

Clinical Social Worker: A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpers…

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About NPI 1497067631

Leslie R. O'Brien, MSW, LICSW's National Provider Identifier is 1497067631, issued on Jul 3, 2010. The primary taxonomy on file is Clinical Social Worker (1041C0700X), and the practice location is in Lexington, MA. The record was last updated on May 6, 2025.