Individual provider · Type 1 NPI

Hasmig Tatiossian, LCSW

Social Worker · Santa Rosa, CA

NPI number 1659080695 Active

Practice location

2225 Challenger Way
Santa Rosa, CA 95407-5441

Call (707) 565-6900 Map

Mailing address

PO Box 1347
Rohnert Park, CA 94927-1347

Specialties and licenses

TaxonomyCodeLicense
Social Worker Primary 104100000X125498 (CA)

Social Worker: A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

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About NPI 1659080695

Hasmig Tatiossian, LCSW's National Provider Identifier is 1659080695, issued on Nov 18, 2022. The primary taxonomy on file is Social Worker (104100000X), and the practice location is in Santa Rosa, CA. The record was last updated on Jan 14, 2026.