The superintendent of each state hospital shall furnish to the director of health such information as he may require concerning admissions, discharges, deaths and other matters. From this and other information available to the director of health, he shall keep such records as are necessary to enable him to have current information concerning the extent of mental illness in the state. The names of individuals shall not be accessible to anyone except by permission of the director of health or by order of a judge of a court of record.