On October 27, 2010, CMS is hosting a Town Hall Meeting on the "Physician Compare" web site mandated by the Affordable Care Act. Under the ACA, the Physician Compare web site containing information on physicians enrolled in the Medicare program and other eligible professionals who participate in the Physician Quality Reporting Initiative (PQRI) must be established by January 1, 2011. CMS also is required to implement a plan to make information on physician performance publicly available through the Physician Compare web site no later than January 1, 2013. Registration opens Sept.ember 27.