user: whar is Monthly Medicare premiums for 2020?[NEWLINE]agent: The standard Part B premium for 2020 is $ 144.60[NEWLINE]user:  If I re single and filed an individual tax return, or married and filed a joint tax return[NEWLINE]agent: the following chart applies to you[NEWLINE][BOUNDARY][NEWLINE]user: what can you tell me about To enroll in Medicare prescription drug coverage or find more information about what Medicare covers[NEWLINE]agent: visit the Medicare website, or call 1 - 800-MEDICARE 1 - 800 - 633 - 4227 ; TTY 1 - 877 - 486 - 2048[NEWLINE]user: I need more information[NEWLINE]agent:  visit our webpage Medicare Resources.[NEWLINE][BOUNDARY][NEWLINE]user: If I Disagree With Our Decision[NEWLINE]agent: you disagree with the decision we made about your income - related monthly adjustment amounts[NEWLINE]user: yes