Pros
The pay is decent (thus the 3 stars) -- I think I'm getting paid as much as or better than my peers in the industry (exclude Big 5 consultants who "specialize" in healthcare). Fairly flexible work-from-home culture (up to 40% of the workforce works from home). Appears that there are lots of opportunities for lower level jobs, especially in the call centers, claims, service operations-type roles.
Cons
The corporate landscape is dotted with many fiefdoms, and navigating the politics is like strolling through a densely packed minefield. Do NOT make any gestures that you're unhappy. And, forget trying to get promoted -- this is an organization where the letters "V and P" actually mean something (vs. a Bank), and the path to Staff VP or VP is steep and rarely traveled. Do NOT work too hard -- everyone makes their incentive compensation goal, regardless of how little you work or how little your value contribution is to the organization. Executive management has an "old school" mindset, "You should be happy you have a job!"