Multiplan is a network provider for insurance companies in the United States and does not necessarily provide health insurance. Health insurance companies in Idaho will lease the preferred provider network off Multiplan to provide it to their clients. Service providers through the network can be accessed by people who have health insurance. This can include detox programs, inpatient treatment, outpatient services, and counseling and therapy programs. When searching for a drug or alcohol treatment center in Idaho, it will be a good idea to contact your insurance provider and find out what type of coverage you have, with regard to drug and alcohol treatment. Health insurance plans are regularly used by people who live in Idaho because most residents will have some type of health insurance coverage. The Multiplan preferred provider organization is used by many different health insurance providers throughout the United States.