"Doc-in-a-box" facilities are popping up all over. Urgent care offices — dubbed a "doc-in-a-box" when the medical facilities debuted two decades ago — are expected to thrive under Obamacare. New Jersey is seeing an 18- to 20-percent annual growth rate in urgent care facilities, according to Sam Yates of the Urgent Care Association of New Jersey. While many market forces are behind this growth, Yates said the Affordable Care Act is playing its part in the surge as well, for a variety of reasons. More people will have insurance. In short, the pool of potential customers has been enlarged by the Affordable Care Act.