GLOSSARY
This Insurance Glossary of Terms is produced and maintained by the National Alliance Research Academy. 
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Preferred Provider Organization (“PPO”) System

Insureds have the option of obtaining service within the PPO network (in-network) or with providers that are not contracted with the PPO (out-of-network). Primary Care Physicians are not required to be gatekeepers; insureds may obtain services without referrals from in-network or out-of-network providers.