The findings by the inspector general of the U.S. Department of Health and Human Services complement a recent review that found many doctors bill for services very differently than their peers.
This six-image gallery explores some of the people, treatments, and diseases relating to fecal transplants through history. An extra to Bryn Nelson's feature-length look at the next big thing in health care.
Medicare paid for more than 200 million office visits for established patients in 2012. Overall, health professionals classified only four percent as complex enough to command the most expensive rates. But 1,800 providers billed at the top level at least 90 percent of the time. Experts question whether the charges are legitimate.
Exploring the struggle between love and disgust when caring for sick relatives. An extra to Bryn Nelson's feature-length look at the next big thing in health care.
Several new studies exploring the effects of laughter are contributing to a fast-growing body of research that finds just how important it is to keeping us happy, healthy, and sane.