The good news for the nation's doctors—and the millions of Medicare patients they care for—is that assuming everything goes as planned, the 27.4 percent cut in reimbursements that would have taken effect March 1 won't. The bad news? The fix included in the deal to extend the payroll tax holiday isn't permanent. It only extends to the end of the year. And then, if Congress doesn't act again, the cut it is expected to be will be in the neighborhood of 32 percent. That's leaving doctors in a continuing state of uncertainty.