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
Outside Orders
To begin the process of referring your patient to Arthritis Northwest, please send paperwork by fax.Fax Number for Referrals: (509) 838-6561
National Provider Identifier Numbers
Howard M. Kenney, MD – 1780754671 Diana Webster, ARNP – 1306034335 Sean P. LaSalle, MD – 1790715126 Dale Raschko, PA-C – 1497089056 Eric C. Mueller, MD – 1912017203 Penny Sczenski, ARNP – 11884127409 Christopher M. Valley, ND – 1093970329 Michael C. Coan, DO – 1386955904 Christian Cox, PA-C -1972249852Christopher Wright, MD – 1356571087
The largest in Eastern Washington
We have the best collection of talent, experience and knowledge to deliver the highest quality of rheumatology care.
Our team makes a difference
A friendly, caring and knowledgeable staff greets and treats patients.
Down-to-earth doctors
Approachable doctors lead a staff that is unified in putting patient care and comfort first.
Combined experience
Our board-certified doctors hold hospital credentials and faculty positions at leading Northwest medical institutions.
At the forefront of rheumatology treatment
Our doctors hold memberships in national organizations and speak at leading medical conferences.
OUR LOCATIONS
Choose your preferred location.
After 10/31/2025 our downtown office, in the Sacred Heart Doctors Building, found at 105 W 8th Ave Suite 6080 will be closed. Effective 11/03/2025, our new second location in the Medicus Building, found at 12615 E Mission Ave Suite 300 Spokane Valley, WA 99216 will be open.
