Medicare Part A
Medicare Part A is the Hospital Coverage under Original/Traditional Medicare. Part D is premium free for Seniors who have worked at least 10 years in the United States and paid into Medicare taxes (FICA). Part A covers cost associated with: inpatient hospital care, skilled nursing facility treatment, psychiatric care, and hospice care.
Medicare Part B
Medicare Part B is the Doctor Coverage under Original/Traditional Medicare. Part B does come with a monthly fee to seniors. Part B helps cover costs associated with Part physician and surgeon fees, outpatient services, blood work, ambulance transportation, clinical laboratory services, etc.
Medicare Part C
Medicare Part C is also known as Medicare advantage plans which are health plans run by private insurance companies. Medicare advantage plans take over your Medicare and include Part A, Part B, and usually other coverage like prescription Drug coverage. These plans limit you to a doctor network, so you are only able to see providers approved by the plan.
Medicare Part D
Medicare Part D is Medicare prescription drug coverage. Part D plans are offered by insurance companies and other private companies approved by Medicare. Medicare prescription drug coverage provides protection for people who have very high drug costs or from unexpected prescription drug bills in the future.