Richard Foster, the chief actuary at the Centers for Medicare and Medicaid Services (part of the government's Health and Human Services Agency), has issued a report on the probable effect of the health care legislation currently being debated in the Senate. You can read the full report here.
Like the recent Congressional Budget Office report, it finds the current legislation, far from reducing health care costs, will almost certainly increase them. The new report estimates that national health expenditures would grow about $234 billion from 2010-2019 under the bill, 0.7 percent more than if nothing were done.