As of 11-30-2012 there have been 198,042 downloads from the SourceForge project page. There have been an additional 10,000 downloads from the OEMR web site for a total of about 210,000 downloads. We estimate based on the number of companies that support OpenEMR that there are 5-10,000 medical facilities in United States. This represents about 30,000 practitioners using OpenEMR and 60,000,000 people being cared for using this EHR. only 35% of the users of OpenEMR are in the United States. World wide this represents 115,000 practitioners and 240,000,000 persons being benefited from this software.
Sam Bowen, MD