The American Medical Association and specialists are lobbying Congress to limit the amount of billing data that CMS is publishing about physicians, but family doctors say making more data public will smooth out the controversies over CMS' release of Part B claims data in April. AMA told Senate Finance Chair Ron Wyden (D-OR) and Charles Grassley (R-IA) that CMS must be careful to put data in context. When CMS released Part B data, AMA and other physician groups complained that...