In the following video, Motley Fool health care bureau chief Brenton Flynn continues his coverage of all things related to the Affordable Care Act, and discusses an article from Kaiser Health News highlighting the massive enrollment opportunity offered to Medicaid-focused managed care companies(NYSE:UNH). He takes a look at the numbers to show just how big this new opportunity could be, but also warns of some potential uncertainties and headwinds, as this new group of beneficiaries has some qualities that could crimp insurance company profits.

Brenton Flynn has no position in any stocks mentioned. The Motley Fool recommends UnitedHealth Group and WellPoint. The Motley Fool owns shares of WellPoint. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.