Only in Miami: A local doctor was sentenced to four years in prison on Thursday for providing millions of dollars in medical services to U.S. expatriates at a clinic in Nicaragua — all fraudulently billed to the taxpayer-funded Medicare program. Dr. Santiago B. Montoya received the same punishment as his son, Rodney, a one-time lawyer, who was sentenced earlier this summer to four years in prison for his role in the unprecedented $25 million healthcare fraud scheme. The father and son, who cut plea deals, operated a clinic in Managua under the network of a now-closed managed-care business, Florida Healthcare Plus.