Located in Kojimachi, Chiyoda-ku, Tokyo, Hanazono Hospital is a medical facility specializing in internal medicine. The clinic prescribes medications for hay fever treatment, allowing patients to visit anytime during outpatient clinic hours. The facility is also dedicated to vaccination, offering vaccines for international travelers, as well as routine and optional vaccinations provided by Chiyoda Ward. They administer COVID-19 and influenza vaccines for fiscal year 2025, with influenza vaccines available for simultaneous administration with COVID-19 vaccines. Additionally, they conduct gastric examinations using gastroscopy, available for booking on all days except Wednesdays and Fridays. The hospital provides English services, has parking facilities, and is barrier-free accessible. Closed on Sundays, public holidays, and year-end/New Year holidays.