Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Intervention Specialists, LLC

Organization Addiction (Substance Use Disorder) Counselor · NPI 1427356419

Intervention Specialists, LLC is an Addiction (Substance Use Disorder) Counselor in Spokane Valley, Washington. Licensed in Washington. Registered with an NPI since 2011.

Licensed in
WA
In the registry since
2011
Specialties on file
3
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

9415 E Trent Ave
Spokane Valley, WA 99206-4218
Phone: (509) 838-2111
Fax: (509) 838-2111
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 020703-LH00005453 (WA)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 20000262 (WA)
Marriage & Family Therapist Taxonomy 106H00000X · Licence 020705-LF00001053 (WA)

Record details

NPI number1427356419
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official E Terhaar — Counselor/Owner · (509) 838-2111
NPI enumeratedMarch 1, 2011
Last updated in NPPESMarch 1, 2011
Mailing addressPo Box 8393, Spokane, WA 99203-0393

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