A letter report issued by the Government Accountability Office with an abstract that begins "Medicare claims are screened against enrollment information, using automated enrollment-related prepayment edits, in an effort to prevent improper payments to ineligible providers and suppliers—such as those that are no longer active in the Medicare program or are not properly licensed to provide the services for which they have submitted claims. Officials with the contractors we interviewed described the use of several types of prepayment edits to ensure that claims data are valid. For example, verification edits are intended to check the provider’s National Provider Identifier (NPI), which indicates whether the claim was submitted by an active provider or supplier. However, factors such as the frequency with which contractors have updated provider and supplier enrollment information and limitations of the data used may affect the timeliness and accuracy of data used to screen claims—in turn limiting the ability of the edits to prevent improper payments from occurring. For example, to update information maintained in the Provider Enrollment, Chain and Ownership System (PECOS)—CMS’s centralized database for Medicare enrollment information—the contractors have relied on a variety of data sources that vary in the frequency with which they are updated …

This report contains information and analysis intended to inform congressional debate over whether to address the unemployment and healthcare insurance, and if so, how, and to what extent.

The complexity of petascale and exascale machines makes it increasingly difficult to develop applications that can take advantage of them. Future systems are expected to feature billion-way parallelism, complex heterogeneous compute nodes and poor availability of memory (Peter Kogge, 2008). This new challenge for application development is motivating a significant amount of research and development on new programming models and runtime systems designed to simplify large-scale application development. Unfortunately, DoE has significant multi-decadal investment in a large family of mission-critical scientific applications. Scaling these applications to exascale machines will require a significant investment that will dwarf the costs of hardware procurement. A key reason for the difficulty in transitioning today's applications to exascale hardware is their reliance on explicit programming techniques, such as the Message Passing Interface (MPI) programming model to enable parallelism. MPI provides a portable and high performance message-passing system that enables scalable performance on a wide variety of platforms. However, it also forces developers to lock the details of parallelization together with application logic, making it very difficult to adapt the application to significant changes in the underlying system. Further, MPI's explicit interface makes it difficult to separate the application's synchronization and communication structure, reducing the amount …

This report provides an overview of the unlawful internet gambling enforcement act and its implementing regulations.

None

None

This report provides an overview of state security breach notification laws applicable to entities that collect, maintain, own, possess, or license personal information. It further discusses about Gramm-Leach-Bliley Act (GLBA).

This report is on Ballast Water Management to Combat Invasive Species.

This report provides an overview of Peru's government and economy and a discussion of issues in relations between the United States and Peru.

This report provides an overview and analysis of U.S.-Yemeni relations amidst evolving political change in Yemeni leadership, ongoing U.S. counterterrorism operations against Al Qaeda in the Arabian Peninsula (AQAP) operatives at large in Yemen's hinterlands, and international efforts to bolster the country's stability despite an array of daunting socio-economic problems. Congress and U.S. policymakers may be concerned with prospects for stabilizing Yemen and establishing strong bilateral relations with future Yemeni leaders.

This report reviews past and proposed treatment of hydraulic fracturing under the Safe Water Drinking Ace, the principal federal statute for regulating the underground injection of fluids to protect groundwater sources of drinking water. It reviews current provisions for regulating underground injection activities, and discusses some possible implications of, and issues associated with, enactment of legislation authorizing the Environmental Protection Agency to regulate hydraulic fracturing under this statute.

The 112th Congress has been focused measures to reduce the federal budget deficit. This backdrop may influence congressional debate over the third-ranking U.S. aid recipient, Pakistan-a country vital to U.S. national security interests but that some say lacks accountability and even credibility.

This report describes how the Violence Against Women Act (VAWA) provisions work in practice. It discusses improvements suggested by immigration attorneys and law enforcement observers to increase the utilization of VAWA provisions by abused foreign nationals as well as ways to reduce immigration fraud. The report closes with possible immigration-related issues that Congress may choose to consider should it reauthorize VAWA.