Northwest Orthopaedic & Sports Medicine - Board Certified Othopaedic Surgeons

About Our Team

Lewis G. Zirkle Jr.

John W. Staeheli, MD

Mary Lynn Scovazzo, MD

Gordon Hsieh, DO

Melvin Wahl, MD

Mike C. Perala, MA, AT-C, PA-C

Dennis Ang, RN, ARNP

About Our Team

Northwest Orthopaedic & Sports Medicine is Southeastern Washington's preferred Orthopaedic clinic because our team of physicians are some of the best in the field; they are dedicated to their work and to their patients. Learn more about our staff below.



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Lewis G. Zirkle Jr.

John W. Staeheli, MD

Mary Lynn Scovazzo, MD

Gordon Hsieh, DO

Melvin Wahl, MD

Mike C. Perala, MA, AT-C, PA-C

Dennis Ang, RN, ARNP

© 2002-2005 Northwest Orthopaedic Associates