Mealey's (February 2, 2018, 1:36 PM EST) -- BOSTON — A provider of outpatient dialysis services will pay $4 million to settle claims that it concealed its involvement in an insurance fraud scheme in violation of federal securities laws, according to a motion for preliminary approval of settlement filed by lead plaintiffs on Jan. 31 in a Massachusetts federal court (Mary Esposito v American Renal Associates Holdings Inc., et al., No. 16-11797, D. Mass.)....