Walmart's Entry Into Health Care Could be Hugely Disruptive in All the Best Ways

Walmart is bringing its "everyday low prices" to the health care market—with an emphasis on "prices."

The big box retailer opened its first Walmart Health in-store clinic this month in Dallas, Georgia, offering primary medical, dental, vision, and mental health care. Though Walmart has not yet made public any plans for a national roll-out of similar facilities, the new clinic in the Atlanta suburbs appears to be a pilot for a new way to provide basic health care to Americans.

Perhaps the most radical aspect of the new Walmart Heath...