Located in Matsushima, Edogawa Ward, Tokyo, Doai Hospital provides medical services on weekdays from 8:30 AM to 4:00 PM and on Saturday mornings. The hospital offers internal medicine, orthopedics, and other departments, with a daily hepatitis clinic staffed by a specialist certified by the Japan Society of Hepatology. As the hospital does not operate on a complete appointment system, patients can request their next appointment with the attending physician during their visit. For emergencies outside regular hours and on holidays, internal medicine and surgery doctors are available 24/7. The hospital supports English and Korean languages, accepts credit cards and electronic payments, and provides parking. Barrier-free facilities are available, and visiting hours are from 1:00 PM to 6:00 PM. The hospital is closed on Sundays, national holidays, and year-end/New Year holidays.