1. "Effect of Supply and Demand on the Price Americans pay for
... receive without an HMO. A third method for controlling health care costs is preferred provider organizations (PPO's). PPO's are composed of numerous recommended or preferred physicians who provide care for prearranged discounted prices. Patients receive discounts for the care receive and end up paying for a small fraction of what their care actually costs. In so doing, PPO's help greatly reduce insurance premiums ... ...
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