[Answered]: How can a provider identify a Silent PPO

How can a provider identify a Silent PPO? a. For all suspect EOBs, contact the health plan and ask if it offers a PPO policy or plan with in-network and out-of-network features. b. All of the above. c. If the silent PPO continues to take illegal discounts, take legal action against the silent PPO. d. Examine all PPO contracts and the health plan lists for each contract.