Do I need to get Medicare Part B?, I am so undecided, can you help me get the best choice? If you're in a level of great confusion about whether to get Medicare Part B or not, perhaps this will help you decide or this will give you an ample idea as to what you need to know just in case. If you have one of the following aside from Medicare Part A, then you must know these; EMPLOYER/UNION COVERAGE : If you or your spouse or family member (disability) is still working and you have health coverage through that employer, contact your employer to find out how your coverage works with Medicare.  This includes federal or state employees and active-duty military service.  It might be an advantage to you to delay Part B enrollment. Remember, coverage based on current employment does not include  COBRA, RETIREE COVERAGE, VA COVERAGE, and INDIVIDUAL HEALTH COVERAGE. TRICARE : If you have  TRICARE  ( health care program for active-duty and retired service m...