Drug addiction and alcoholism affects a great number of older U.S. residents and seniors, and this problem is projected to only worsen in the years to come. senior citizens whom are insured by the Medicare plan, a health coverage plan available by the government for Americans in this age range, can utilize their health coverage to partake in essential rehab treatment for drug or alcohol abuse at a number of drug and alcohol treatment centers throughout the Mammoth Lakes, CA. area. Medicare covers both inpatient and outpatient alcohol and drug treatment centers, and senior Americans in Mammoth Lakes, California that want to get rehab can consult with their primary care medical professional to choose a Mammoth Lakes, CA. drug rehabilitation program covered by Medicare which will be appropriate for them.