(February 18, 2016, 8:55 AM EST) -- NEWARK, N.J. — A New Jersey doctor and two companies he owns entered into a settlement filed in New Jersey federal court on Feb. 12 in which they agreed to pay $5.25 million to the federal government for fraudulently submitting bills to health care programs for tests that were never performed (United States of America v. Labib Riachi, M.D., et al., No. 16cv730, D. N.J.)....