Ruvim Krupkin, 69, a New York state-licensed doctor, pled guilty to conspiring to illegally distribute large quantities of oxycodone from a medical office in Brooklyn, New York. Krupkin, a licensed internal medicine doctor with specialties in oncology and hematology, practiced at a medical office in Brooklyn. From 2006 to July 2017, Krupkin prescribed over four million oxycodone pills to individuals he knew had no legitimate medical need for the pills. Krupkin charged each patient $200 in cash for each visit, payable directly to him. As part of his guilty plea, Krupkin also agreed to forfeit $124,000 in proceeds obtained through his illicit distribution of oxycodone.