As treatment costs in traditional hospital settings continue to escalate, health care providers are increasingly shifting to smaller facilities for both inpatient and outpatient care.

Collective Health is betting that growing dissatisfaction with rising health-care costs will lure more firms to its technology, which lets employers cut through the tangle of different benefits they typically administer.

According to the MassMutual Workplace Benefits Study, among middle-income workers, 58 percent say they feel more secure because of those workplace benefits—but that leaves out an awful lot of workers.