Legal status, Affiliated to the Ministry of Health and medical Education

Tehran is the top region by health and treatment centres in Iran. As of 2011, health and treatment centres in Tehran was 1,063 that accounts for 12.08% of Iran's health and treatment centres. The top 5 regions (others are Mazandaran, Razavi Khorasan, Isfahan, and Fars) account for 40.37% of it. Iran's total health and treatment centres was estimated at 8,797 in 2011.