Individual provider · Type 1 NPI

Tiffany M. Siefken, LCSW/LISW

Clinical Social Worker · Fort Collins, CO

NPI number 1366068082 Active

Practice location

2244 Miles House Ave Apt 108
Fort Collins, CO 80525-4191

Fax (888) 375-1723

Specialties and licenses

TaxonomyCodeLicense
Clinical Social Worker 1041C0700X149.028517 (IL)
Clinical Social Worker 1041C0700X100864 (IA)
Clinical Social Worker Primary 1041C0700X09930293 (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 1366068082

Tiffany M. Siefken, LCSW/LISW's National Provider Identifier is 1366068082, issued on Jun 18, 2020. The primary taxonomy on file is Clinical Social Worker (1041C0700X), and the practice location is in Fort Collins, CO. The record was last updated on Aug 27, 2025.