What if I can’t find a doctor? Physician shortage will change how Americans receive care.

A whopping 83 million Americans don’t have sufficient access to a primary care provider. Within a decade, we could be short almost 50,000 primary care physicians.

Educating and training more doctors is critical, of course. But that will take years, even decades. In the meantime, we need to maximize the capacity of our existing corps of providers by making the health system more efficient and managing illness more proactively.

In other words, we have to learn how to...