Preferred provider organization
In health insurance in the United States, a preferred provider organization (PPO), sometimes referred to as a participating provider organization or preferred provider option, is a managed care organization of medical doctors, hospitals, and other health care providers who have agreed with an insurer or a third-party administrator to provide health care at reduced rates to the insurer's or administrator's clients.
Pan American Health Organization
The Pan American Health Organization (PAHO) is an international public health agency working to improve health and living standards of the people of the Americas. It is part of the United Nations system, serving as the Regional Office for the Americas of the World Health Organization and as the health organization of the Inter-American System. It is known in Latin America as the OPS or OPAS (; ).