Drug rehabilitation facilities which deliver services to those covered by Medicare offer services in every part of the U.S., and this health insurance coverage can cover both inpatient and outpatient drug rehab programs. The only rules of thumb are that the need to receive services in an alcohol and drug rehabilitation center must be deemed medically necessary by the individual's doctor and the individual's doctor is required to assist in setting up their drug rehab plan. Because there are health screenings which have been put in place by Medicare in liaison with physicians who treat seniors, early diagnosis has been useful in getting seniors into a suitable drug and alcohol rehab program in Big Oak Flat, California that is offered through their Medicare insurance plan. This has helped many older Americans overcome problems with addiction and eventually overcome drug or alcohol addiction effectively to ensure they can enjoy the rest of their lives without risk relapse.