If someone must receive treatment for alcohol and drug addiction and is lucky enough to be covered through health insurance, the vast majority drug and alcohol treatment centers in Campbell, California accept health insurance and will cooperate with clients to see what is and is not insured. The majority of private health insurance entities will cover outpatient and residential drug and alcohol rehabilitation, but the time which is covered can vary. Private health insurance will more than likely cover the first month of alcohol and drug rehabilitation, but there are individuals whose coverage is more extensive and can cover a more long-term time in a drug rehabilitation facility. It is best to speak with their plan directly in liaison with the rehabilitation center to establish what is and what is not covered by your private health insurance.