Ravand Khazai, MD

Dr. Jon-Michael Caldwell is an orthopedic surgeon at Panorama Orthopedics & Spine center in Golden, CO specializing in sports medicine. He cares for individuals with pain and injuries in the shoulder, elbow, hip and knee. He cares for athletes of all ages and skill levels – from those playing professionally to weekend warriors. He specializes in shoulder, elbow, hip, and knee surgery with a special interest in joint preservation and cartilage restoration, ligament and tendon repair, shoulder and elbow replacement, and biologic augmentation. Dr. Caldwell is involved in performing and authoring research in the areas of rotator cuff and tendon healing, injury prevention, and surgical pain management.

Peter N. Lammens, MD is a Fellow of the Royal College of Physicians and Surgeons (FRCS) of Canada. He graduated from Queens University in Ontario and earned his medical degree from the University of Toronto. On average, he completes 450 joint replacements a year at Panorama Orthopedics. In addition to traditional joint replacement, Dr Lammens is also skilled in revision joint replacement. He is experienced in knee replacements, hip replacements, partial knee replacements and revision surgery. In addition to these more traditional procedures, Dr Lammens is a specialist in Birmingham Hip Resurfacing. He sees patients in Golden, CO.