It also means that emergency rooms can be used just for emergencies and ongoing and preventative care can happen in clinics. Cheaper to operate and preventing preventable emergencies lowers the load.

Here's what happens in my locale. If you show up in an ER, they quickly decide whether you need emergency care, or regular urgent care, delivered in the same facility. And medicine is anything if not statistical, so they know the amount of each kind of service that they need to plan for.

Usually tied to employer coverage contracts, and with strictly limited menu of offerings for patient health needs.