Our Physicians

Michael J. Casey, M.D.,

Orthopedic Surgeon

Dr. Casey is a fellowship-trained, board-certified orthopedic surgeon who specializes in hand surgeries.  He is a member of the American Academy of Orthopedic Surgeons, the American Medical Association, and the American Society for Surgery of the Hand, as well as the Oregon Association of Orthopedic Surgeons and the Oregon Medical Association.

Karl C. Wenner, M.D.,

Orthopedic Surgeon

Dr. Wenner is a board-certified orthopedic surgeon.  After receiving his medical degree from the University of Florida and internship from its Department of Internal Medicine, Dr. Wenner completed his residency at the Charlotte Memorial Hospital and Medical Center.

He is a member of the Alpha Omega Alpha Medical Honor Society, the American Medical Association, the North American Spine Society, the Oregon Association of Orthopedic Surgeons, American Academy of Orthopedic Surgeons and the Oregon Medical Association.

Kevin T. Heaton, D.O.

Orthopedic Surgeon

Dr. Heaton is a board-certified orthopedic surgeon, and native to the Klamath Falls area.  He is also on the American Osteopathic Board of Orthopedic Surgeons, and a member of the American Osteopathic Academy of Orthopedics.  He received his fellowship training in Adult Reconstruction and Joint Replacement from the Arthritis Institute at Good Samaritan Hospital in Los Angeles, California.

Edward L. Van Tassel, D.O.

Orthopedic Surgeon

Dr. Van Tassel is an Oregon native with more than 25 years of experience in General
Orthopedics. He is a Board Certified Member of the American Osteopathic Association and the American Osteopathic Academy of Orthopedics.

Karl R. Knudsen, M.D.

Orthopedic Surgeon

Dr. Knudsen is a board-certified orthopedic surgeon and member of the American Board of Orthopedic Surgery.  He is also a Fellow at the American Academy of Orthopedic Surgeons.  He completed both his general surgery internship and orthopedic surgery residency at the Stanford  University Hospital in Palo Alto, California.  Dr. Knudsen also has a fellowship in Sports Medicine/Arthroscopy and Shoulder Reconstruction. With his understanding of sports-related injuries, Dr. Knudsen treats the athletes of Oregon Institute of Technology and our region’s public and private high schools.

Jason M. Conaughty, M.D.

Orthopedic Surgeon

Dr. Conaughty is a board-certified orthopedic surgeon.  He completed both his medical degree and orthopedic surgery residency at the University of Miami/Jackson Memorial Hospital in Miami, Florida.  Dr. Conaughty has a fellowship in Spine Surgery from the Vanderbilt University Medical Center in Nashville, Tennessee.  He is a member of the Alpha Omega Medical Honor Society and the American Academy of Orthopedic Surgeons.  Dr. Conaughty is fully trained in the treatment of all neck and spine problems.

Gillian A. Bayley, M.D.

Orthopedic Surgeon

Dr. Bayley is an orthopedic surgeon fully trained in the treatment of all foot and ankle problems. She obtained her medical degree and residency at the University of Ottawa in Ontario, Canada. Her foot and ankle reconstruction fellowship training was completed at the University of Calgary. She is a member of multiple orthopedic and medical associations.

About Us

Klamath Orthopedic and Sports Medicine Clinic brings highly skilled orthopedic care to Klamath Falls and the surrounding areas. Our physicians are trained in several different disciplines and bring their own expertise to the practice. We are dedicated to our mission of achieving exceptional outcomes through personalized, compassionate care. Your treatment is our highest priority. Your health is our greatest concern.

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