Located in Otemachi, Chiyoda Ward, Tokyo, Marubeni Tokyo Head Office Clinic is a corporate medical facility situated within the headquarters building of Marubeni Corporation, a major Japanese trading company. The clinic specializes in internal medicine and operates on weekdays only, with morning and afternoon sessions. Hours vary by day: Monday and Thursday from 10:00 AM to 11:45 AM and 1:00 PM to 4:00 PM; Tuesday and Friday from 1:30 PM to 4:30 PM; Wednesday from 1:30 PM to 4:30 PM. The clinic is closed on weekends and public holidays. The clinic's director has stated that as a corporate clinic of a global enterprise, the facility maintains an international perspective, with English-language support being one of its distinguishing features. The clinic is well-equipped to serve patients in an international business environment. Barrier-free access is also available, ensuring that individuals with physical disabilities can use the facility with ease. However, this clinic is only available to members of the Marubeni Health Insurance Union and is not open to the general public. While situated in a prime business district in central Tokyo, it functions as a corporate clinic providing specialized medical services to a limited group of eligible users.