(September 16, 2020, 11:51 AM EDT) -- EAST ST. LOUIS, Ill. — A nurse practitioner pleaded guilty in federal court in Illinois on Sept. 8 to one count of felony health care fraud for her alleged submission of 251 claims to Medicare and Medicaid for medically unnecessary visits to nursing homes from May 30, 2017, to June 26, 2007 (United States v. Jami L. Mayhew, No. 20-cr-30132, S.D. Ill.)....