If an individual must receive assistance for alcohol and drug addiction in Port Costa, California and is lucky enough to have some type of health insurance, a great number of drug rehab centers work with those who have health insurance and will work with men and women to determine which treatment programs are covered. The majority of private health insurance entities in Port Costa cover outpatient and inpatient drug and alcohol treatment, but the length of time which is covered can vary. Private health insurance will most likely cover the first 4 weeks of drug and alcohol rehabilitation, but there are individuals whose plan is more substantial and can cover a more long-term stay in a Port Costa, California drug treatment facility. It is best to speak with their plan from the get go in liaison with the rehab center to ascertain what is covered by their private health insurance.