A Medicare Supplement (also referred to as Medigap) helps Medicare eligible individuals with pay for the extra costs that Medicare often does not cover. These medical costs can include copayments, coinsurance, and deductibles.
Medicare Part D is an optional form of coverage with Medicare that’s largely designed to cover the costs associated with any drugs or medications that you require. Part A and Part B Medicare only cover a small portion of medications, primarily medications that you receive as a hospital inpatient or ones that you’re provided with at a doctor’s office in an outpatient setting
Medicare Advantage Part C is a type of Medicare plan that is offered by private insurance companies and includes the same coverage as Part A and Part B (and usually Prescription Drug Coverage – part D)