Individual provider · Type 1 NPI

Donna J. Mahnen, LCSW

Clinical Social Worker · Denver, CO

NPI number 1215929385 Active

Practice location

1405 Federal Blvd
Denver, CO 80204-2211

Call (303) 504-1500 Map

Fax (303) 825-1711

Mailing address

4141 E Dickenson Pl
Denver, CO 80222-6012

Specialties and licenses

TaxonomyCodeLicense
Clinical Social Worker Primary 1041C0700X992535 (CO)

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 1215929385

Donna J. Mahnen, LCSW's National Provider Identifier is 1215929385, issued on Aug 16, 2005. The primary taxonomy on file is Clinical Social Worker (1041C0700X), and the practice location is in Denver, CO. The record was last updated on Jul 13, 2026.