Mr. Smith comes to you with a sprained finger he sustained while working in a coal mine. Mr. Smith provides

Mr. Smith comes to you with a sprained finger he sustained while working in a coal mine. Mr. Smith provides his Federal Black Lung Card and his Medicare card, which shows he has Medicare Part A and B. Referring to the above scenario, to which one of the following do you send the claim for the outpatient services rendered by the provider? Federal Black Lung The patient’s employer Medicare Part A Medicare Part B