From AANP SmartBrief:

The CMS empowers consumers to make more informed health care choices by providing easy-to-use quality comparison information. All of Medicare's resources to compare providers and plans are now located in one place, Medicare's Quality Care Finder. Data are collected and updated regularly to ensure accurate information to help consumers make the best choices. To learn more about Medicare and other resources, visit www.medicare.gov, or call (800) MEDICARE (1-800-633-4227). TTY users should call 1-877-486-2048.