• Aetna Choice POS II
• Aetna HMO
• Aetna Managed Choice POS Open Access
• Aetna Select
• Aetna Signature Administrators PPO
• BCBS Blue Card PPO
• Capital BC Keystone Health Plan Central HMO
• Capital BC PPO
• CareFirst BlueChoice Advantage
• CareFirst BluePreferred PPO
• CareFirst Maryland POS
• CIGNA HMO
• CIGNA Open Access Plus
• CIGNA PPO
• Community Blue PPO
• Coventry DE PPO
• Coventry HealthAmerica HMO
• Coventry HealthAmerica PPO
• Coventry Southern Health PPO
• First Health PPO
• Geisinger Health Plan
• Highmark Alliance Flex Blue
• Highmark Blue Cross Blue Shield Shared Cost 1500, a Multi-State Plan
• Highmark Community Blue Flex EPO
• Highmark Comprehensive Care Blue PPO 1500 MRF
• Highmark Comprehensive Care Flex Blue PPO 500 MRF
• Highmark Health Savings Blue PPO 1400 MRF
• Highmark Shared Cost Blue PPO 6000 MRF
• Humana Choice POS
• Humana ChoiceCare Network PPO
• Multiplan PPO
• PHCS PPO
• PPOBlue
• UHC Choice Plus POS
• UHC Navigate HMO
• UHC Navigate POS
• UHC Optimum Choice Preferred POS
• UHC Options PPO