National Health Security Office (NHSO.) Is a national organization lawfully. In. The. National Health 2545 under the supervision of the Minister of Health. As Chairman of the National Health Security by NHSO., Served as Secretary of the Board of the National Health Security. And Quality Control Board and the Public Health Service. The primary mission of the National Health Insurance Fund Management. Maximum Efficiency Including the development of a health care system to provide public access to quality service standards. And with the management of the National Health Security Fund efficient, transparent and verifiable. And benefits to the public sector last year. We won. Outstanding capital The Ministry of Finance has continuously since 2551.