Dr. Derek R. Johnson

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 Kienbock's Disease. His top areas of expertise are Carpal Tunnel Syndrome, Rhizarthrosis, Osteoarthritis, and Ganglion Cyst.

Lt Col Henderson brings over 30 years of distinguished service to the United States Air Force, with a career that spans roles as an enlisted pharmacy technician, cadet, fighter pilot, and orthopedic hand surgeon. After enlisting in 1989, he earned an appointment to the U.S. Air Force Academy, graduating in 1996. He went on to fly the F-15C as a mission commander based out of Kadena AB, Japan, and was awarded the Air Medal for over 100 hours of combat time patrolling the Northern No Fly Zone over Iraq during the events of September 11, 2001.Following his aviation career, Lt Col Henderson pursued medicine, earning his medical degree from the University of Texas Southwestern Medical School in 2006. He completed his orthopedic surgery residency at the Uniformed Health Education Consortium in San Antonio and a fellowship in Hand and Microvascular Surgery at the University of Texas Health Science Center. Since 2012, he has served at the U.S. Air Force Academy, where he has held leadership roles as Chief of Hand Surgery, Chief of Orthopedic Surgery, and Chief of Surgery for the 10th Medical Group. He has also been a dedicated team physician for Academy athletes. Lt Col Henderson’s career is a testament to his deep commitment to service, excellence, and care—hallmarks of both his military and medical professions. Dr. Henderson is rated as an Advanced provider by MediFind in the treatment of Kienbock's Disease. His top areas of expertise are Rhizarthrosis, Radial Nerve Dysfunction, Carpal Tunnel Syndrome, Osteoarthritis, and Bone Graft.

Dr. Clinkscales is a fellowship-trained, orthopedic hand and upper extremity surgeon who joined HSA in 1998 after three years of teaching full time at UC Health. After completing a degree in Religion from Davidson College (NC), he earned a medical degree from Emory University in Atlanta (GA). Dr. Clinkscales completed residency training at the Mayo Clinic in Rochester (MN) and completed his fellowship training at the Indiana Hand to Shoulder Center in Indianapolis. Honored by 5280 Magazine as one of Denver’s top doctors, Dr. Clinkscales regularly contributes to medical education by delivering presentations, publishing articles and demonstrating cutting-edge techniques in hand and upper extremity care. Dr. Clinkscales has loved being able to raise his family in Colorado. More recently, he has enjoyed embarking on a variety of international medical missions alongside his wife and two sons. Dr. Clinkscales spends his free time traveling, skiing, scuba diving, or just reading especially if it’s with family or friends. Dr. Clinkscales is rated as an Advanced provider by MediFind in the treatment of Kienbock's Disease. His top areas of expertise are Carpal Tunnel Syndrome, Rhizarthrosis, Dupuytren Contracture, and Trigger Thumb.