Eric W. Busch, P.A.C. Eric W. Busch, P.A.C. (303) 983-5700 Primary Specialties Neurosurgery SHARE Primary Office Address Boulder Neurosurgical and Spine Associates 4743 Arapahoe Avenue, Suite 202 Boulder, CO 80303 Get Directions Phone (303) 983-5700 Fax (303) 998-0007 Website www.bnasurg.com/about/physician-assistants