Jonathan Riviera had to get his foot, and part of his leg, amputated in January. Riviera lives in Florida—one of ten states which has declined federally backed Medicaid expansions through the Affordable Care Act, meant to patch state-level coverage gaps and allow more low-income people to qualify for care.

Republicans are weighing billions of dollars in cuts to Medicaid, jeopardizing health care coverage for some of the 80 million U.S. adults and children enrolled in the safety net program.

The search for a Plan B comes as GOP leaders scramble to assuage vulnerable lawmakers’ concerns ahead of a planned Tuesday vote. The fiscal bluep