This is the Magellan website for behavioral health providers
Magellan Health

Magellan's National Provider Handbook and Supplements

The Magellan National Provider Handbook outlines the policies and procedures with which providers are required to comply when serving members whose care is managed by Magellan and/or its affiliated companies.

Providers also must comply with the policies and procedures contained in any applicable handbook supplements, including the Magellan Organizational Provider Handbook Supplement, and state-, plan- or EAP-specific supplements.

Magellan National Provider Handbook (PDF)

Handbook Appendices 

Organizational Provider Handbook Supplement (PDF)

State-, Plan- and EAP-Specific Supplements