Cornerstone Orthopaedics provides our patients with 24-hour access to our on-call physician for patients' orthopaedic emergencies. There is always a physician on-call who can be reached through our main number at (303) 456-6000 or (303) 665-2603. ... Wheat Ridge, CO 80033 Phone: (303) 456-6000 Fax: (303) 420-2279. Westminster Office..