• Aetna Choice POS II
• Aetna Managed Choice POS Open Access
• Aetna Signature Administrators PPO
• BCBS Blue Card PPO
• CIGNA HMO
• CIGNA Open Access Plus
• CIGNA PPO
• First Health PPO
• Group Health Coop Alliant Plus Connect
• Group Health Coop Core
• Humana Choice POS
• Humana ChoiceCare Network PPO
• Moda Health First Choice Network
• Optima Health OptimaFit Direct HMO
• Optima Vantage HMO
• PHCS PPO
• Premera Heritage and Heritage Plus 1
• Premera Heritage Signature
• Premera LifeWise Connect
• Regence WA Preferred Provider Network
• UHC Choice Plus POS
• UHC Navigate HMO
• UHC Navigate POS
• UHC Options PPO
• WPS Group