MD West ONE. offers the most comprehensive head-to-toe musculoskeletal and nervous system practice in the region. Our depth in orthopedic, neurosurgery and spine specialized care allows our patients to be seen under. ONE. versatile, collaborative entity. Job Summary. The Pre Authorization Specialist obtains surgery authorizations and patient insurance information, and prepares and manages surgery pre-payments in a fast-paced neurosurgery or ortho...