You Can Switch Now From Your Medicare Advantage HMO or Any Medicare Supplement Plan Posted on June 19, 2022 by Virginia GREAT NEWS for anyone stuck on a Medicare Advantage HMO and wanting to get off. You can switch to Blue Shield Medicare Supplement Now. Guaranteed issue, no health history questions. To view a PDF of this offer, click here. Compare rates right here, and give us a call 818-888-0880.