MIAMI — A South Florida doctor faces decades in prison after a federal jury found he unlawfully billed $110 million in drug tests that were deemed medically unnecessary for patients at a sober living facility. In Feb. 10, Mark Agresti was convicted of one count of conspiracy to commit health care fraud and wire fraud in addition to 11 counts of health care fraud, the U.S. Attorney’s Office of the Southern District of Florida said in a statement. Agresti is set to be sentenced April 21, facing up to 20 years in prison for the health care fraud and wire fraud conspiracy count, and 10 years for e…