"Those types of things have got to get addressed," he said.
President Donald Trump, Elon Musk and the Department of Government Efficiency have focused on streamlining government and cutting wasteful spending and fraud.
Democrats, though, claim DOGE is trying to eliminate services that Americans receive. They cite Medicaid as being targeted in the GOP's reconciliation legislation currently being discussed.
"I'm not for cuts in Medicaid. It's people at most risk: children, families, and single moms and stuff like that," Buchanan said at the summit. "I'm going to do everything to make sure it doesn't go down that road."
"There's a lot of inefficiencies. We've got to find a way to be able to trim a lot of the cost down and do things better for less, and a lot of it … we have to get the diet right with a lot of these, especially under Medicaid, with especially kids, as I mentioned, 20% obesity."