If an individual is in need of treatment for drug and alcohol addiction in Walnut Creek, California and is lucky enough to have health insurance, a great number of drug and alcohol treatment programs accept health insurance and will work with men and women to discover what treatment services are approved. The majority of private health insurance companies in Walnut Creek cover the costs of outpatient and inpatient drug rehab, but the time which is included can differ. Private health insurance will more than likely cover the first 30 days of drug and alcohol rehabilitation, but there are individuals whose insurance coverage is more substantial and can provide for a longer stay in a Walnut Creek, California drug and alcohol rehabilitation program. It is recommended that individuals speak with their insurance company from the get go with the help of their treatment center to decide what services are covered by their private health insurance.