Heiwaikai Minami-Oi Clinic is an internal medicine clinic located within a 1-minute walk from JR Omori Station, offering excellent accessibility. The clinic specializes in dialysis treatment and is equipped with 36 dialysis beds. Dialysis hours are 9:00-22:00 on weekdays, 9:00-18:00 on Saturdays, and closed on Sundays. Holiday hours are set according to the day of the week. Dialysis patients continue their treatment regardless of holidays, year-end and New Year, Golden Week, or Obon. General outpatient services include internal medicine, nephrology, health checkups, and vaccinations. General consultation hours are 15:00-18:00 on Tuesdays and Thursdays, and 9:00-12:30 on Saturdays. The clinic is closed on Sundays and holidays. Facilities include high-speed Wi-Fi supporting over 100 simultaneous connections, a spacious locker room with lockable new lockers, and sofas for relaxation after dialysis. Free parking is available upon consultation, and transportation services are provided for first-session dialysis patients. The clinic also has early influenza diagnostic equipment, which can detect influenza if fever has persisted for more than 3 hours. The facility is barrier-free and offers English language services.