What Does The Suffix On A Medicare Number Mean? 
The suffixes on a Medicare number are codes that tell Medicare under whose Social Security number you are being given benefits , and your relationship to that person . It is called the Beneficiary Identification Code -LRB- BIC -RRB- . A Social Security number followed by A tells Medicare that the person filing is the retired or disabled worker who paid into the system and is drawing on his/her own Medicare benefits . B signifies the wife -LRB- over age 65 -RRB- of the primary Social Security number . To see what the entire list of suffixes visit this website : WEBSITELINK 