Description: CMS provides a significant, and growing amount of information that can be leveraged by actuaries. Between the public use and research files CMS makes publicly available large amounts of information that can be assimilated to begin to understand the who, what, when, where, and how of Medicare. This session will focus on the depth and breadth of data available, summarize any restrictions on the use of the data, and identify areas where access to the new data can provide more meaningful insights than CMS's historical data sets.