Have a question or need more information? Contact us today. We would love to hear from you!

 
 

By Mail

Great Rivers BH-ASO

PO Box 210

Chehalis, WA 98532

 
 

Authorizations

For All Behavioral Health Authorizations call
800.218.5006

 
 

 
 

Send Us a Message

 
 

 
 

Records Request

In accordance with RCW 42.56.580, the appointed Public Records Officer for Great Rivers Behavioral Health Administrative Service Organization is the Chief Executive Director

The Chief Executive Director can be contacted by calling 360-953-5117.

You may additionally request a copy of a report by writing to:

Great Rivers Behavioral Health Administrative Service Organization
Public Records Officer
PO Box 210
Chehalis, WA 98532