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Bill, an employee at Walmart, had been suffering from mild neck pain and a tremor in his hands. A local surgeon recommended spine surgery.

Walmart decided to send him and his wife on a flight to a hospital in another state, all expenses paid, for a second opinion. He saw a team of clinicians at Geisinger Medical Center in Pennsylvania. They noticed a subtle shuffle in his step and diagnosed him with Parkinson's Disease.

The employee avoided a painful, expensive surgery that he did not need. Walmart saved about $30,000, and benefited when Bill went back to work after his symptoms improved. A win for every body.

U.S. employers are getting increasingly fed up with the U.S. medical system. Companies pay for about 49 percent of Americans' health care, and are facing rising costs without any real improvements in outcomes.

Walmart's Lisa Woods and the director of spine surgery at Geisinger, described how they've focusing on more than just lowering costs and improve overall health outcomes for their workers by offering travel programs.