Hospitals are often thought of as the hubs of our health care system. But hospital closings are rising, particularly in some communities.

“Options are dwindling for many rural families, and remote communities are hardest hit,” said Katy Kozhimannil, an associate professor and health researcher at the University of Minnesota.

Beyond the potential health consequences for the people living nearby, hospital closings can exact an economic toll, and are associated with some states’ decisions not to expand Medicaid as part of the Affordable Care Act.

Since 2010, nearly 90 rural hospitals have shut th...