Individual provider · Type 1 NPI

Colleen Anne O'Sullivan, LSW

Clinical Social Worker · Chicago, IL

NPI number 1659225530 Active

Practice location

10801 S Western Ave Ste 2B
Chicago, IL 60643-3223

Call (708) 586-7357 Map

Mailing address

2737 Union St
Blue Island, IL 60406-1926

Specialties and licenses

TaxonomyCodeLicense
Clinical Social Worker Primary 1041C0700X150118375 (IL)

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 1659225530

Colleen Anne O'Sullivan, LSW's National Provider Identifier is 1659225530, issued on Feb 25, 2026. The primary taxonomy on file is Clinical Social Worker (1041C0700X), and the practice location is in Chicago, IL. The record was last updated on Feb 25, 2026.