Q. I'm 65 and VA-disability-rated at 90%. Do I need to, or should I, stay signed up for Medicare Part B? I’m also on Tricare for Life, which requires me to be enrolled in Medicare Part B. Thanks, Charles Thank you for your great question, Charles. I appreciate your writing in. If you're 65, disability rated at 90% by the federal Department of Veterans Affairs (VA), and already enrolled in Tricare for Life (TFL), you're in a situation in which Medicare Part B isn't just a "should I." It's a "you