Seniors' Health Care Choice Act of 2015
Amends title XVIII (Medicare) of the Social Security Act (SSA) to establish: (1) a special enrollment period under Medicare part B (Supplementary Medical Insurance) for an individual enrolled in COBRA (health insurance continuation benefits) continuation coverage who elected not to enroll under part B during the individual's initial enrollment period, and (2) a three-month open enrollment period starting with 2015 and recurring in the first three months of each subsequent year in which a Medicare Advantage (MA)-eligible individual under Medicare part C (Medicare+Choice) may change his or her Medicare enrollment election.