Senate Republicans are taking Medicaid cuts even further than their House counterparts with legislation that targets hospital payments.

One of the most powerful lobbies in Washington is redoubling its efforts to avoid a cut to Medicaid payments in the GOP’s megabill. Hospital executives weren’t happy last month when the House included a provision in its version of the bill freezing a loophole states have used to boost payments to hospitals serving the low-income patients enrolled in Medicaid.