This is one of the biggest challenges for many dental practices looking for an integrative dental solution: they are in so many PPO plans that they do not even realize who, or how, they are in the various PPO networks! As part of the first stage we often review EOBs of PPO patients to accurately determine if the doctor is in a particular network, and if so, what fee schedule is being used. It is crucial however to have the fee schedules of the plans that the doctor has a direct lead contracted relationship with.