There’s just under two weeks for consumers to sign up for insurance under Obamacare.

After January 31, open enrollment closes, unless you qualify for the Special Enrollment Period or federal health officials extend the deadline, something they’ve been known to do.

According to the consultant group McKinsey, about half of the plans available are in so-called “narrow networks,” which is a complicated way of saying not all doctors and hospitals are included.

That can be tricky for consumers.

And it can be tricky for hospitals who — in some instances — must find ways to convince insurers that they will be cost-effective partners.