Tokyo Medical University Hospital is a major hospital located in Nishi-Shinjuku, Shinjuku Ward, Tokyo, with numerous specialized departments including hematology. The hematology department operates on an appointment-only basis, requiring appointments through the Medical Coordination Center via a primary care physician. The general medicine and geriatric medicine departments allow consultations without referral letters, with the geriatric department specifically serving patients aged 75 and older. Outpatient services are accepted on weekdays from 8:00 AM to 2:30 PM, and morning consultations are also available on the 1st, 3rd, and 5th Saturdays of the month. The hospital is closed on Sundays, 2nd and 4th Saturdays, holidays, and year-end/New Year holidays (December 29 to January 3). The facility offers comprehensive services including English support, payment via credit cards, debit cards, and electronic payments, on-site parking, and barrier-free accessibility.