Mealey's ( November 27, 2023, 7:50 AM EST) -- ALEXANDRIA, La. — An insurer found liable for proton beam therapy (PBT) treatments a man paid for out of pocket after being denied coverage may not retroactively try to compensate him at in-network rates, a federal judge in Louisiana said in granting a motion to enforce judgment and ordering the insurer to fully compensate him after the Fifth Circuit U.S. Court of Appeals affirmed the award....