Washington State Alcohol & Drug Treatment and Rehab Centers

Assessment & Treatment Associates offers four branch locations throughout Washington including BellevueBellingham, Mt. Lake Terrace, and Pasco. For detailed contact and driving directions to our alcohol rehab and drug rehab centers see below.


Continental Office Park
13353 Bel-Red Road, Suite 101
Bellevue, WA 98005
Phone: 425.289.1600  |   Fax: 425.484.6541
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1752 Iowa Street
Bellingham, WA 98229
Phone: 425.289.1600  |   Fax: 425.484.6541
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Mountlake Terrace

21907 64th Ave. West, Suite 310 – Plaza 220
Mountlake Terrace, WA 98043
Phone: 425.289.1600  |   Fax: 206.289.8857
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9221 Sandifur Parkway, Suite D
Pasco, WA 99301
Phone: 509.380.5292  |   Fax: 877.963.7795
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Serving Washington state with offices in
Bellevue, Bellingham, Mountlake Terrace, and Pasco.

We are fully operational doing telemedicine for all groups, assessments and adis and victims panel.