Obamacare is seen as a long-term win for both managed-care stocks and hospital stocks, adding paying customers for both industries, but it may surprise some investors to discover Obamacare won't come close to eliminating the uninsured.

In this video, health-care analyst David Williamson discusses how 19 states seemingly opting out of Medicaid expansion will affect managed-care stocks like Centene and Molina along with the impact a shockingly large amount of uninsured Americans could have on the health-care system.

Follow David on Twitter: @MotleyDavid.

David Williamson has no position in any stocks mentioned. Follow David on Twitter: @MotleyDavid.

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