Dr. Ky Kobayashi

Dr. Karl Larsen is a board-certified, fellowship-trained orthopedic surgeon specializing in hand and upper extremity surgery. He holds the prestigious Certificate of Added Qualification in Surgery of the Hand and has been named a “Top Doc” by Colorado Springs Style magazine for eight consecutive years.He treats a wide range of conditions, including athletic injuries, overuse syndromes, elbow disorders, shoulder fractures, and complex hand trauma. Dr. Larsen earned his medical degree from the Uniformed Services University in Bethesda, Maryland, and completed his orthopedic residency at Wilford Hall Medical Center in San Antonio, Texas, followed by a fellowship in hand and microvascular surgery at the Indiana Hand Center.Dr. Larsen served in the U.S. Air Force and Air Force Reserve from 1989 to 2015, retiring as a Colonel. His military service included roles as a flight surgeon and orthopedic surgeon, leadership positions at the U.S. Air Force Academy, and deployments to Tibet and Iraq. His honors include the Air Force Special Operations Command Flight Surgeon of the Year and USAFA Clinical Surgeon of the Year, along with multiple military decorations. Dr. Larsen is rated as a Distinguished provider by MediFind in the treatment of Rhizarthrosis. His top areas of expertise are Carpal Tunnel Syndrome, Rhizarthrosis, Osteoarthritis, and Ganglion Cyst.

Originally from Minnesota, Dr. David M. Bierbrauer joined Cornerstone Orthopedics and Sports Medicine, a division of OCC, in 2011. He is a board-certified orthopedic surgeon, whose primary interest is in hand and elbow surgery, as well as a secondary interest in trauma care and sports medicine. Dr. Bierbrauer is an active member of the American Academy of Orthopedic Surgery, American Society for Surgery of the Hand, Western Orthopedic Association, and Colorado State Medical Society. Prior to working at Cornerstone Orthopedics, Dr. Bierbrauer graduated Cum Laude with a Bachelor of Arts Degree in Biology and Chemistry from St. Olaf College in Northfield, MN. He attended The Chicago Medical School at Rosalind Franklin University, where he was a Dean’s Award recipient. After medical school, Dr. Bierbrauer completed his residency at the University of Illinois at Chicago Hospital and his fellowship in Hand and Microvascular Surgery at the Christine M. Kleinert Institute in Louisville, KY. In 2011, he worked at Front Range Orthopedics in Colorado Springs from 2005-2011. As the official US Ski Team Physician, he has had the opportunity to travel internationally to France and Canada. Dr. Bierbrauer is rated as a Distinguished provider by MediFind in the treatment of Rhizarthrosis. His top areas of expertise are Rhizarthrosis, Tennis Elbow, Ganglion Cyst, and Trigger Thumb.

Dr. Gregg Martyak is a fellowship trained orthopedic surgeon, board certified by the American Board of Orthopedic Surgery (ABOS).  He has a Certificate of Added Qualification in Surgery of the Hand. He specializes in the treatment of injuries to the hand and upper extremity of both adult and pediatric patients, including microvascular surgery, complex nerve injuries, traumatic reconstruction, arthroscopy and joint replacement. Dr. Gregg Martyak is a distinguished graduate of the University of Virginia and Georgetown University. He received his medical degree from Jefferson Medical College and completed his orthopedic surgery residency at the Rothman Institute/Thomas Jefferson University in Philadelphia, PA. He followed this with a fellowship in hand and microvascular surgery at the Philadelphia Hand Center. Dr. Martyak served in the United States Air Force from 2008- 2012 achieving the rank of Lieutenant Colonel. He has extensive experience with combat casualty care with multiple deployments in Iraq and the Middle East. He was a clinical instructor for the combined US Air Force/ US Army combined orthopedic residency program at Brooke Army Medical Center, San Antonio, TX. He is an Assistant Professor of Surgery at the Uniformed Services University of Health Sciences in Bethesda, MD. Dr. Gregg Martyak was part of the team to perform the first hand transplantation at a military facility. Dr. Martyak has continued to care for military patients in Colorado Springs since 2012. Dr. Martyak is rated as an Advanced provider by MediFind in the treatment of Rhizarthrosis. His top areas of expertise are Carpal Tunnel Syndrome, Rhizarthrosis, Ganglion Cyst, and Radial Nerve Dysfunction.