Foreigners who stay in Japan for more than a year should register for National Health Insurance. There is also another health insurance system for laborers. Although I have National Health Insurance, the medical fees are expensive. I don't understand the Japanese medical system. AMDA International Medical Information Center Kansai Branch is an organization which conducts medical counseling for foreigners.
Staff can explain the medical system and introduce English-speaking doctors.
These tests can be taken at a driving school, although at the present time all lessons are conducted in Japanese. I went back to my country for ten months the next year. I was refused a license when I applied in 1991. In order to change your license to a Japanese one, you must have been in your home country for at least three months after obtaining the license. If you produce some form of evidence that you were back in your country for ten months, you will qualify for a Japanese license.