Aetna Medicare, Aetna US Health Care, American Postal Workers Union, Amerigroup, Amerihealth, Barnabas Employee Health Plan, Beech Street, Cigna Healthcare, Cigna HMO, Consumer Health Network, Devon Health Services, Empire Healthchoice, Federal Blue Cross PPO, First Health Network, GHI- Group Health Incorporated, Great West Healthcare, Guardian Resources Inc., HMO Blue - Medicare Blue, Horizon Blue Cross Blue Shield, Horizon Managed Care, Horizon NJ Health, Horizon PPO, Horizon Traditional/Indemnity, Local 825 Welfare Fund, Magnacare/Magnet, Mail Handlers Benefit Plan, Medicaid, Medicare, Multiplan, National Association of Letter Carriers, New Jersey Carpenters Health Fund, New Jersey Manufacturers, New Jersey Plus, Oxford Health Plans, Private Healthcare Systems (PHCS), Qualcare, Tricare, United Health Care, United Payors & United Providers, Wellchoice, Health Net, Healthcare Payers Coalition, Mutual of Omaha, PPO Next MasterCare, Aetna PPO, Aetna HMO, Coventry First Health, Emblem Health/GHI, Qualcare HMO, Qualcare PPO, United Community Plan