Provider Handbook Magellan network providers must be familiar with and follow the policies and procedures contained in the National Provider Handbook and the Virginia BHSA Provider Handbook Supplement. URL Virginia BHSA Provider Handbook Supplement Click to read URL Appendix A: Registration and Authorization grid Click to read URL Appendix B: Submission Timeframes and Guidelines Click to read Magellan national provider handbook documents: URL Magellan National Provider Handbook Click to read URL Magellan National Provider Handbook Appendices Click to read URL Organizational Provider Handbook Supplement Click to read The Adobe Reader is required to view PDF files.