Last fall, after months of suffering through major foot pain, 70-year-old Reg Ferguson decided he needed help. 

"I was told [by a friend] about this Dr. John Johnson, that you should go see him, that he's a foot doctor, and what you're going through, he can probably help you," Ferguson said. "I said 'well, if he's a doctor, I'll try it out.'"

Ferguson booked an appointment at Johnson Podiatry, where a sign on the door says "Dr. John Johnson, DP."

According to Ferguson, the 26-year-old Johnson told…