Dr. C. Dana Clark, who is based in our Loveland and Fort Collins, CO offices, is a board-certified orthopaedic surgeon who specializes in anterior hip replacement and knee replacement surgeries. He is recognized as a leading anterior hip replacement specialist in Colorado. Dr. Clark enjoys helping people who have been active in the past regain their physical health and their ability to do many of the activities and hobbies that they enjoy most. He takes care of patients from OCR’s service area of northern Colorado, Wyoming, and western Nebraska. He performs hip and knee replacement surgery at hospitals and surgery centers in Fort Collins and Loveland. Dr. Clark’s surgeries include: Anterior hip replacement, with the operation done from the front of a patient’s hip joint Traditional posterior hip replacement Knee replacement Hip and Knee Complex Revisions With anterior hip replacement, the surgeon operates on the hip from the front, instead of the side or rear of the joint.