If someone is in need of help for drug addiction in Willits, CA. and is fortunate enough to have health insurance, most alcohol and drug rehabilitation facilities accept health insurance and will work with individuals to discover what treatment services are approved. Most private health insurance companies in Willits, California cover the costs of outpatient and inpatient drug and alcohol rehab, but the length of time which is covered can differ. Private health insurance most often covers the first 4 weeks of drug treatment, although there are people whose insurance coverage is more extensive and can provide for a more long-term length of time in a Willits, CA. drug and alcohol rehab program. It is best to seek advice of their plan directly with the help of their rehabilitation program to decide what is covered by their private health insurance.