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.
NEW! ACR Named a Qualified Provider-Led Entity by CMS. The Centers for Medicare & Medicaid Services (CMS) has named ACR a âqualified Provider-Led Entityâ (qPLE) approved to provide appropriate use criteria (AUC) under the Medicare Appropriate Use Criteria program for advanced diagnostic imaging.