If you would like to explore the possibility of having your surgery at Spine Surgery Center of Eugene, call KeiperSpine, PC to request a consultation with Dr. Keiper or Dr. Sherman, Board Certified neurosurgeons. KeiperSpine, PC. Location: 1410 Oak Street, Eugene, OR 97401. Phone: (877) 852-7246. Fax: (541) 485-2358..