WellPoint (NYSE:ANTM) is one of the nation's biggest health-care insurers, providing health-care insurance to nearly 37 million Americans. As a result, WellPoint is often included in the portfolios of dividend investor.

Big insurers such as WellPoint, UnitedHealthcare (NYSE:UNH), and Aetna (NYSE:AET) offer investors predictable dividend-friendly revenue regardless of the economy's whims and whispers. But investors are correct to wonder if WellPoint's dividend can be sustained in light of Obamacare regulation and soaring medical costs.

In the following slideshow, you'll see whether I think WellPoint's dividend is safe, and gain insight into how WellPoint's dividend payout matches up with industry peers UnitedHealthcare and Aetna.