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PPOâs allow you to see any doctor or facility in their network without obtaining a referral. 1  Additionally, out-of-network benefits allow you to see providers not in the network, but at a higher cost to you. This is important if you frequently travel outside of the provider area.
Provider-Sponsored Organization (PSO) Law & Legal Definition. A provider-sponsored organization (PSO) is a managed care contracting and delivery organization consisting of a group of doctors, hospitals, and other health care providers who accept full risk for beneficiaries' lives. PSO is owned and governed by health care providers such as physicians, hospitals, or allied health professionals and not by an insurance company. PSO may be either profit or not-for-profit entities, or public or private entities. PSO through its network, supplies all medical services required by medicare law.