If someone requires treatment for drug and alcohol addiction in Palo Alto, CA. and is fortunate enough to be covered through health insurance, a great number of drug rehab programs accept payment in the form of health insurance and will cooperate with individuals to see which treatment programs are approved. The majority of private health insurance companies in Palo Alto, California cover outpatient and inpatient drug rehab, although the time which is covered can vary. Private health insurance most often covers the first 30 days of drug rehabilitation, although there are individuals whose plan is more substantial and may cover a longer stay in a Palo Alto, CA. drug rehabilitation program. It is best to seek advice of their plan from the get go in liaison with the treatment center to establish what services are approved by their private health insurance.