If someone must receive vital help for drug addiction and dependence and is lucky enough to be covered under health insurance, many drug and alcohol rehab centers in Pleasanton, CA. will accept any type of health insurance and will cooperate with potential clients to find out which types of treatment are approved. The majority of private health insurance entities will cover outpatient and inpatient alcohol and drug rehabilitation, although the time in rehab which is covered can vary. Private health insurance will typically cover the first 4 weeks of drug and alcohol treatment, although there are individuals whose coverage is more substantial and can include a longer residence in an alcohol and drug rehab center. It is best to consult with their insurance company as soon as possible and to ask for any help as needed from their rehabilitation facility to figure out what is approved by their private health insurance.