Text "Hello" to 474-624 to get more info. Mount Sinai Doctors Japanese Medical Practice is a clinic operated by New York's largest medical institution, the Mount Sinai Health System. Since its establishment in 1991 with the donation of Tokio Marine & Fire Insurance Co., Ltd. (now Tokio Marine & Nichido Fire Insurance Co., Ltd.), we have been servicing for expatriates of Japanese companies and their families as well as Japanese travelers for more than 25 years. Our office speaks in Japanese language to better comfort our Japanese patients. 東京海上記念診療所 – マンハッタン オフィ