Medicare Part B primarily covers physician expenses, which include the costs of visits to healthcare providers. It also covers some services related to disability care but does not cover hospitalization or long-term care. Thus, the best answer is D. physician expenses. ;
Medicare Part B covers physician expenses, which includes costs for visits to healthcare providers. It does not cover hospitalization or long-term care, which are covered by different parts of Medicare. Therefore, the correct answer is D. physician expenses.
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