A quasar is believed to be a supermassive black hole surrounded by an accretion disk. An accretion disk is a flat, disk-like structure of gas that rapidly spirals around a larger object, like a black hole, a new star, a white dwarf, etc.
Category: Special Enrollment Periods SEP. In certain situations, people with Medicare may be eligible for a Special Enrollment Period (SEP) allowing them to join a Medicare Advantage plan or Medicare Part D prescription drug plan, or switch to a different Medicare plan during the plan year.
The Patient Protection and Affordable Care Act of 2010 added a new benefit for Medicare recipients called an Annual Wellness Visit. Contrary to patient and physician expectations, it is not a physical exam or preventive medicine service, as defined by CPT codes 99381-99397.