Dr. Garth C. Nelson

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.

Dr. Kopinski is a board-certified orthopedic surgeon specializing in adult reconstruction, with a passion for helping patients return to a pain-free, active life. Known for her compassionate, individualized care, she educates patients on joint issues and guides them through both surgical and nonsurgical solutions. She completed medical school at the University of Maryland and orthopedic residency at MedStar Union Memorial Hospital, followed by fellowship training in Joint Preservation, Resurfacing, and Replacement at Washington University in St. Louis. Before joining Colorado Orthopedic Consultants in 2022, Dr. Kopinski served as Medical Director of Adult Reconstruction at WellSpan Health in Pennsylvania. Dr. Kopinski offers expertise in hip and knee arthroscopy, partial and total joint replacements, hip resurfacing, revision surgeries, and advanced techniques like minimally invasive and robotic-assisted procedures. She has a special interest in developing opioid-sparing protocols and improving patient outcomes through quality initiatives. She is a fellow of the American Academy of Orthopedic Surgeons, a member of the American Association of Hip and Knee Surgeons, and serves on the Women in Arthroplasty committee. Dr. Kopinski is rated as an Advanced provider by MediFind in the treatment of Baker Cyst. Her top areas of expertise are Osteoarthritis, Bursitis, Tenosynovitis, Knee Replacement, and Hip Replacement.