At long last my paper with Prof. Dhar at NYU Stern on data mining in healthcare has been published in the journal Health Systems. Abstract here:
http://www.palgrave-journals.com/hs/journal/vaop/ncurrent/abs/hs201220a.html
http://www.palgrave-journals.com/hs/journal/vaop/ncurrent/abs/hs201220a.html