Drug and alcohol rehabilitation facilities which accept Medicare can be found in every part of the U.S., and this health insurance plan can cover both inpatient and outpatient drug rehabilitation centers. The only exceptions are that the need for an alcohol and drug rehab center must be deemed medically necessary by the potential client's doctor and the person's doctor must help set up their rehab plan. Because there are health screenings which have been put into the system by Medicare in liaison with doctors who medically treat older Americans, early detection has been useful in guiding older Americans to an appropriate alcohol and drug rehabilitation center in Walnut, California that is offered through their Medicare insurance coverage. This has assisted thousands of seniors thoroughly address problems with addiction and eventually beat substance abuse for good to ensure they can enjoy the rest of their lives without risk falling back into drug use.