Multiplan is a preferred provider organization and offers one of the largest independent networks of providers. Those who have health insurance and access to the Multiplan network can find service providers for the treatment of substance abuse disorders. Multiplan leases its network out to insurance providers in California, and within this network of providers will be behavioral health plans and services. Anyone who is struggling with a drug or alcohol addiction in California should be reaching out to local drug treatment resources. Throughout the state are both state-funded and private drug treatment options. Typically, both types of drug rehab programs can work with health insurance, but the type of health insurance accepted will depend on the type of program. Through a preferred provider network, people who are insured can find behavioral health plan programs and mental health services. Most people who have insurance will rely on this to help cover some or all the cost of treatment.