Is Medicare A Good Insurance? 
Secondary Medicare helps take cost of the medical bill low . Example , Horizon Blue Cross/Aetna/Humana etc. . This helps pay the cost of the Part A and Part B 20 % cost , you will need to pay for medical treatment , and bills . This includes copayments , deductibles , and coinsurance . To keep your cost low one need to buy a Medicare Supplement plan or a Medicare Advantage plan . 