Lia Tamminen, MSW, LICSW

Clinical Social Worker

GenderFemaleNPI1366042616Affiliated sites1

Affiliated Health Centers

Lia Tamminen is affiliated with 1 federally qualified health center location.

Sea Mar CHC - Federal Way 18th Ave S

31405 18th Ave S, Federal Way, WA 98003-5433

Mental Health & Behavioral Health Services

Counseling, therapy, and psychiatric care for depression, anxiety, trauma, and substance use — affordable and accessible.

Individual therapy

Group counseling

Substance use treatment

Psychiatric evaluation

Crisis intervention

Trauma-informed care

Medication management

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Clinician information is sourced from the NPPES National Provider Registry (February 2026) and reflects self-reported practice locations. Individual providers may have joined or left since the last registry update.

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Clinical Social Worker

Providing clinical social worker services at federally qualified health centers with sliding fee scale options.

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Lia Tamminen, MSW, LICSW

Affiliated Health Centers

Mental Health & Behavioral Health Services

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