Nagai Obstetrics and Gynecology Hospital, operated by the medical corporation Goyokai, is located in Kowa-cho, Tachikawa City, Tokyo. Accessible via Seibu Bus from JR Tachikawa Station North Exit, get off at Sunagawa 9-chome and walk 3 minutes. It is a specialized obstetrics and gynecology hospital. Clinic hours are Monday to Saturday 8:45 AM-12:00 PM and 2:30 PM-5:00 PM, and Sundays 8:45 AM-3:00 PM primarily by appointment. Walk-in visits on Sundays are limited to prenatal checkup patients or those with delivery reservations, and emergency contraceptive pill requests are also accepted. Closed days are January 1st-3rd, December 30th-31st, with occasional unscheduled closures—check the website for updates. Accepts credit cards, debit cards, and electronic payments. Barrier-free facilities and parking are available. English-speaking services are provided with comprehensive facility accommodations.