To provide better value and improve patient care in the U.S. health care system, comparative effectiveness research (CER) needs to be disseminated, implemented, and interpreted. This brief, the second from Mathematica’s Center on Health Care Effectiveness, examines how to put CER into use at...

The new Medicare Part D benefit, which began on January 1, 2006, expanded Medicare to include prescription drugs, and it required beneficiaries to change how they interact with the program. Past experience with low enrollment in a variety of programs designed to aid low-income Medicare...