Who Does Medicare Part B Cover? 
Medicare Part B covers your doctors and outpatient services such as blood tests , X-Rays , MRI 's . and other outpatient testing . Part B also covers Durable Medical Equipment such as walkers , emergency service , flu shots , diabetic foot exams , Glaucoma testing , home health services -LRB- limited -RRB- , dialysis , and certain types of drugs in addition to an annual wellness exam . For a comprehensive answer see Medicare & You 2013 edition or go to Medicare.gov . You can also speak with a good agent specializing in Medicare and the needs of older adults . 