Located in Okubo, Shinjuku Ward, Shin-Okubo Niji-iro Oyako Clinic is a pediatric clinic situated within a 7-9 minute walk from Shin-Okubo Station, 16 minutes from Takadanobaba Station, 11 minutes from Nishi-Waseda Station, and 10 minutes from Higashi-Shinjuku Station. Operating hours are 9:00 AM to 12:30 PM and 3:00 PM to 6:00 PM, with the clinic closed on Friday afternoons, Saturday afternoons, Sundays, and holidays, and specific closure schedules are set for certain periods. Appointments are required, and both new and follow-up visits require pre-visit medical questionnaire input. Vaccinations are available year-round, and for infection prevention, patients with fever are requested to wait in the outdoor waiting area. In addition to English support, the clinic accepts credit card and electronic payment methods and is equipped with barrier-free facilities. There is a parking area where strollers can be used, but there is no on-site parking, so visitors must use nearby parking lots and walk to the clinic. The clinic is registered for the Function Enhancement Addition and Pediatrician-Designated Clinic Fee.