Drug and alcohol rehabilitation programs which are covered by Medicare can be found in almost all parts of the country, and this health insurance plan can cover both inpatient and outpatient drug rehab programs. The only rules of thumb are that the need for a drug and alcohol rehab facility must be deemed medically necessary by the potential client's physician and the person's physician must lay out their rehab plan. Due to the fact that there are health screenings that have been put in place by Medicare in liaison with doctors who treat older Americans, early diagnosis has been useful in getting seniors into an appropriate drug treatment center in Avalon, California that is covered through their Medicare plan. This has assisted thousands of older Americans resolve problems with addiction and in the end overcome drug or alcohol addiction for good to ensure they can enjoy the duration of their lives without the threat of relapse.