Therapist

Seth Thomas Andersen

4040 S 188th St Ste 300, Seatac, Washington, 98188-5070

About Seth Thomas Andersen

Seth Thomas Andersen is a therapist based in Seatac, Washington who is specialized in Counselor. His current practice location is 4040 S 188th St Ste 300, Seatac. Patients can reach him at 206-816-3253. Seth Thomas Andersen NPI number (Unique professional ID assigned by NPPES) is 1871255869.

Seth Thomas Andersen is a trained and licensed mental health professional who helps individuals, couples, or groups manage and overcome emotional, psychological, behavioral, or relationship challenges. He works with people dealing with anxiety, depression, mood disorders, trauma, post-traumatic stress disorder (PTSD), grief and loss etc. He support his clients by understanding their thoughts, emotions, and behaviors.

Practice Information

Seth Thomas Andersen specialty, credentials, practice address, contact phone number and fax are as below. Patients can contact the office at the given phone number for appointment.

Provider Name Seth Thomas Andersen
Specialization Counselor
Gender Male
Practice Address: 4040 S 188th St Ste 300,
Seatac, WA - 98188-5070

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1871255869
NPI Enumeration Date: 07 Oct, 2021
NPI Last Update On: 20 Mar, 2025

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Seth Thomas Andersen are as mentioned below.

License NumberSpecializationStateStatus
Social Worker Primary
Counselor Secondary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Seth Thomas Andersen
4040 S 188th St Ste 300,
Seatac, WA - 98188-5070
Phone: 206-816-3253

Book an Appointment with Seth Thomas Andersen

To schedule an appointment, contact Seth Thomas Andersen at 4040 S 188th St Ste 300, Seatac, Washington or call on below stated phone number.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Seth Thomas Andersen:

Seth Thomas Andersen is a therapist specializing in Social Worker. He 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 interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

Yes, Seth Thomas Andersen is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Seth Thomas Andersen practices at 4040 S 188th St Ste 300, Seatac, Washington, 98188-5070.

To schedule an appointment with Seth Thomas Andersen, please contact the office at 206-816-3253.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.