Individual provider · Type 1 NPI

Rebecca Marie Mustaine, LICSW

Clinical Social Worker · Seattle, WA

NPI number 1144137100 Active

Practice location

3731A S Dawson St
Seattle, WA 98118-2037

Specialties and licenses

TaxonomyCodeLicense
Clinical Social Worker Primary 1041C0700XSWI.LW.70085016 (WA)

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 1144137100

Rebecca Marie Mustaine, LICSW's National Provider Identifier is 1144137100, issued on Aug 25, 2026. The primary taxonomy on file is Clinical Social Worker (1041C0700X), and the practice location is in Seattle, WA. The record was last updated on Aug 25, 2026.