Seijin Clinic, a medical corporation located in Nakagawa, Adachi Ward, Tokyo, is a specialized psychiatric clinic. The hospital provides English-language services, offers parking facilities, and is equipped with barrier-free accessibility. The clinic is closed on all Sundays, national holidays, January 1-3 for the New Year period, and December 30-31. According to their official website, same-day appointments without reservation are available between 9:00 AM and 4:00 PM on weekdays, while appointments are required for other time slots. The facility has been certified by the Japan Council for Quality Health Care (JCQHC) for the Functional Category Version 3rdG, receiving initial certification in July 2014 and the latest Version 3.0 update certification in October 2024. Additionally, the group employs registered dietitians, demonstrating a focus on nutritional management and inpatient meal services.