The Medicare Provider Utilization and Payment File for 2013 was released on Monday with the consumer friendly code descriptors. 

You can download the data by clicking this link:
http://www.cms.gov/Research-Statistics-Data-and-Systems/Statistics-Trends-and-Reports/Medicare-Provider-Charge-Data/Physician-and-Other-Supplier2013.html

Or you can use the Look-up Tool on http://data.cms.gov (one of the two banners will take you to the look-up tool)