Medicare Part B covers medical insurance which helps pay for doctor visits, outpatient hospital care and other medical services which Part A does not cover. Any individual eligible for Part A can enroll in Part B by paying a monthly premium.
Medicare Part C is a Medicare Advantage plan, which incorporates several different plans in order to meet as many individuals needs as possible. You are eligible for Part C if you are currently enrolled in Medicare Part A and B. Due to the extra benefits Part C offers, most individuals have to pay a monthly premium. Typically, Part C plans have networks and you are required to use the doctors and hospitals that belong to the network of the specific plan you chose.
Medicare Part D pertains to prescription drug coverage. Medicare Part D assists individuals with the high costs of prescription medication. Anybody enrolled in a Medicare Part A, B or C is eligible for Part D coverage. Enrolling in a Medicare Part D program is voluntary so there is a monthly premium which is to be paid to the insurance provider.