Join the Network
Follow the steps to contract with Trillium
Network Participation
Please view pages below for more information on joining Trillium's network of providers. Trillium maintains an open network for all physical health services. For Behavioral Health, Substance Use, and/or Intellectual and Development Disability services, Trillium operates a closed network. Current service needs are posted on our Current Service Needs webpage.
Obtain Out of Network Agreement
Request to be reimbursed for service to members without joining the network.
Current Service Needs
Review and apply to contract for specified needs.
Current Providers: Request a Change
Request changes to your existing services contract.
Page last verified on
