The definition of a PPO is an abbreviation for preferred provider organization, which means a healthcare system that provides discounts to subscribers for services they receive from certain healthcare providers.(abbreviation)
An example of a PPO is Blue Cross Blue Shield PPO.
See PPO in Webster's New World College Dictionary
noun pl. PPO's
Origin: p(referred) p(rovider) o(rganization)
See PPO in American Heritage Dictionary 4
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