Leaders in Orthopaedics. Appointment Request Our Providers Our Locations. Orthopaedic & Spine Center of the Rockies (OCR) and Front Range Orthopedics & Spine (FROC) have merged into one entity under the OCR name as of January 1, 2021. All FROC operations will immediately identify as OCR and actively adopt the healthcare provider's standard of procedures and robust resources..