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Roger D. Dainer, D.O.

Roger D. Dainer, D.O.

Specializes in Orthopedic Surgery

Dr. Dainer joined the Tri-Valley Orthopedic group in 1990, after 10 years of U.S. Naval Service. As a Board-certified Orthopedic Surgeon, he treats patients with a wide range of musculoskeletal problems. He has developed a special interest and expertise in arthroscopic reconstructive surgery of the shoulder and knee. He is also a highly respected Qualified Medical Evaluator/Agreed Medical Evaluator (QME/AME), with considerable experience in evaluation and treatment of Workers’ Compensation injuries.


  • Undergraduate: B.S., College of William and Mary, Williamsburg, VA
  • Medical School: D.O., Kirksville College of Osteopathic Medicine, Kirksville, MO
  • Internship & Orthopedic Surgery Residency: Naval Regional Medical Center, Oakland, CA

Additional Information

As a sports enthusiast, Dr. Dainer is able to use his personal knowledge in treating sports injuries. Among other activities, he regularly plays golf and works out at a local health club. Additionally, he is very involved in equestrian activities. His daughter and wife ride competitively in dressage and eventing at a National level. Prior to beginning his career as an Orthopedic Surgeon, Dr. Dainer was a professional musician and continues to be an audio enthusiast. Living on a ranch, his weekends are full with activities such as driving a tractor, mending fences and generalized farm work. His newest interest is Wing, or Clay Shooting. For over 15 years, he and his family have made the Tri-Valley community their home.

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