Depending on where you live and the service you received, this difference could be significant. It may also come as a surprise to policyholders who assume their medical costs will be covered and don’t fully understand the distinction between in-network and out-of-network providers.
A good way to avoid surprise charges with a PPO (or any health plan) is to talk to your provider and your insurer before you receive treatment about the total cost and what will be covered.