Seibo Hospital, operated by the Social Welfare Corporation Seibo-kai and located in Nakaochiai, Shinjuku-ku, Tokyo, is a general hospital offering internal medicine as its core specialty, along with general medicine, pediatrics, surgery, obstetrics and gynecology, breast surgery, ophthalmology, orthopedic surgery, dermatology, otolaryngology, psychiatry, and anesthesiology. Reception hours are from 8:00 AM to 11:00 AM, with most departments operating primarily on an appointment-only basis. Afternoon consultations are available for internal medicine from 12:30 PM to 2:00 PM and urology from 1:00 PM to 3:00 PM. While many departments offer morning consultations on Saturdays, the third Saturday is closed, and all medical services are suspended on Sundays, holidays, and year-end/New Year holidays. In addition to English and other language support, the hospital accepts credit card and electronic payments, provides parking facilities, ensuring accessibility. Barrier-free facilities are also available to accommodate diverse patient needs.