P.O. Box 1303, Frisco, Colorado 80443. Phone: (970) 668-3633. Toll-free: (888) 446-5202. Fax: (970) 668-5052. Serving one of the most active sports populations in the country, Vail-Summit Orthopaedics and Neurosurgery (VSO) is designed to meet the unique needs of amateur and professional athletes through sports medicine and orthopaedic care ....