Drug and alcohol rehabilitation centers which are covered by Medicare offer services in every part of the country, and this health insurance plan typically makes individuals eligible for both inpatient and outpatient drug and alcohol treatment facilities. The only stipulations are that the need to receive services in a drug and alcohol rehab program must be considered medically necessary by the person's doctor and the individual's physician must lay out their drug rehab curriculum. Due to the fact that there are health screenings that have been put into the system by Medicare in liaison with doctors who treat older Americans, early diagnosis has been essential in getting older Americans to a suitable alcohol and drug rehab facility in Garrison that is covered through their Medicare insurance coverage. This has helped many seniors handle addiction issues and ultimately overcome drug or alcohol addiction effectively so that they can can enjoy the rest of their lives without risk relapse.