Cotiviti was awarded 2 regions - Region 2 which includes the following states: IL, MN, WI, NE, IA, KS, MO, CO, NM, TX, OK, AR, LA, and MS; and Region 3 which includes the states of AL, FL, GA, NC, SC, TN, VA, WV, Puerto Rico and U.S. Virgin Islands.  Click here to see the actual CMS publication.  Cotiviti will perform post-payment review to identify and correct Medicare claims that contain improper payments that were made under Part A and Part B for all provider types except for Durable Medical Equipment (DMEPOS) and Home Health/Hospice.