http://www.cms.gov/Research-Statistics-Data-and-Systems/Statistics-Trends-and-Reports/Medicare-Provider-Charge-Data/Physician-and-Other-Supplier.html
http://online.wsj.com/news/articles/SB10001424052702303456104579490043350808268?mod=djemalertNEWS
The 2 links above should connect you to the total physician payment information by individual and specialty.