Dr. Gregg A. Koldenhoven

Michael Repine is an Orthopedics provider in Boulder, Colorado. Dr. Repine is rated as an Advanced provider by MediFind in the treatment of Baker Cyst. His top areas of expertise are Osteoarthritis, Knock Knees, Baker Cyst, Bowlegs, and Knee Replacement. Dr. Repine is currently accepting new patients.

Dr. Thomas Mann is a fellowship-trained sports medicine specialist who joined Cornerstone Orthopedics & Sports Medicine, a division of OCC, in 2000. He is a fellow of The American Orthopedic Society for Sports Medicine, the leading organization for sports medicine in the U.S. Dr. Mann graduated with honors from Jefferson Medical College in Philadelphia, where he was elected to the Alpha Omega Alpha Medical Honor Society. He completed his orthopedic residency at Penn State University, followed by a Sports Medicine Fellowship at Ohio State University, gaining advanced training in arthroscopic surgery and team coverage across multiple sports, including football, soccer, hockey, and gymnastics. His experience includes work with teams such as the Columbus Chill, Hershey Bears, and the U.S. Under-17 Soccer Team during a European tour. Locally, he has provided sideline coverage for Ralston Valley High School Football for over five years. Dr. Mann is also committed to community service, volunteering with Habitat for Humanity, Denver Hands for Hope, and serving regularly as a camp doctor and committee member with Young Life Central Denver. Dr. Mann is rated as an Advanced provider by MediFind in the treatment of Baker Cyst. His top areas of expertise are Tendinitis, Tenosynovitis, Synovitis, and Bursitis.

Henry Yu is an Orthopedics provider in Frisco, Colorado. Dr. Yu has been practicing medicine for over 10 years and is rated as an Advanced provider by MediFind in the treatment of Baker Cyst. His top areas of expertise are Osteoarthritis, Tendinitis, Bursitis, and Tenosynovitis.