Alcohol and drug addiction impacts many older U.S. residents and seniors, and this problem is going to only become worse in the coming years. senior citizens who are covered by the Medicare program, a health coverage plan available by the federal funding for citizens in this age range, can use their health insurance to receive vital treatment services for alcohol or drug abuse at a number of drug rehabilitation centers throughout the Ahwahnee, CA. area. Medicare covers both inpatient and outpatient drug and alcohol treatment programs, and senior citizens in Ahwahnee, California whom want to get rehab can consult with their primary care doctor to decide on an Ahwahnee, CA. drug treatment center covered by Medicare which will be suitable for them.