AUSTIN — Dr. Mason Jones and Total MD Physicians Group, PLLC, doing business as Total Men's Primary Care, have agreed to pay up to $600,000 to settle federal allegations that they violated the Controlled Substances Act. The U.S. Department of Justice said the civil case involved alleged prescribing and recordkeeping violations. The U.S. Attorney's Office for the Western District of Texas announced Friday that Jones, who was registered with the D…