A tiny sliver of doctors and other medical providers, including one physician who billed more than $20 million alone, accounted for an outsize portion of Medicare’s 2012 costs. WSJ’s Christopher Weaver reports on Lunch Break. Photo: AP.

The top 1% of 825,000 individual medical providers accounted for 14% of the $77 billion in billing recorded in the data.

The long-awaited data reveal for the first time how individual medical providers treat America’s seniors—and, in some cases, may enrich themselves in the process. Still, there are gaps in the records released by the U.S. about physicians’ practice patterns, and doctors’ groups said the release of such data leaves innocent physicians open to unfair criticism. (Search Medicare payments to providers in 2012.)

Read the full story in the WSJ – here.