Question: is phcs part of aetna?
Answer: In short, Starmark uses two (2) networks: Aetna and PHCS. ... * PHCS, now owned by Multi-Plan, is one of the nation's largest PPO networks. * You can look-up Providers and Hospitals in the Aetna network at this link. * Providers and Hospitals in the PHCS network are at this link.