Contact Us
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
By Phone/Email/Fax
information@grbhaso.org
Phone: 360.953.5117 / 800.215.4460
Fax: 360.359.7758 / 855.936.1291
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