20-25 patients 1,800 active patients http://www.aafp.org... This website Patient Panel Size Worksheet this article https://www.aafp.org/fpm/2007/0400/p44.html http://www.aafp.org/fpm/2007/0400/p44.html www.aafp.org/fpm/2007/0400/p44.html http://www.aafp.org/fpm/2007/0400/p44.html this article patient panels