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Information for Providers

Below you will find forms, policies, and resources for TMBH-ASO Network Providers. 

Forms and Checklists

For any medically necessary or non-medically necessary service for an Individual accessing non-Medicaid funds (and the funds are not in the provider’s contract), call Thurston Mason BH-ASO (360-763-5828) and request a screening related to the Non-Medicaid Request Form or Non-Medically Necessary Request Form. This is to verify available funding and criteria met for services.

Thurston Mason Behavioral Health Administrative Service Organization

670 Woodland Square Loop SE 

Suite 301

Lacey, WA 98503

inquiries@tmbho.org

Office: 360-763-5828

Crisis Line:  800-270-0041 

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