Health Systems International

Health Systems International (HSI) is a healthcare services company specializing in medical cost management and preferred provider organization (PPO) network solutions. The company provides services such as medical bill review, claims processing, and care management for domestic and international clients, including insurance carriers and third-party administrators. HSI's primary focus is on reducing healthcare costs through proprietary technology and a broad network of healthcare providers. The company serves a diverse client base ranging from self-insured employers to international insurance companies. In 2010, the company was acquired by MultiPlan, a major provider of healthcare cost management solutions in the United States.