Shinjuku Higashiguchi Primary Care Clinic is conveniently located directly connected to Shinjuku Subnade, a 3-minute walk from JR Shinjuku Station and 2-minute walk from Seibu Shinjuku Station. The clinic specializes in internal medicine and provides health insurance-covered prescriptions and allergy testing for those suffering from hay fever symptoms. Pollen dispersion typically begins in January, and the clinic accommodates early consultations. Health examinations include corporate check-ups, pre-employment exams, and specific health check-ups, with appointments available until 9 PM and open on Saturdays, Sundays, and holidays, with results provided by the next day in principle. The STD internal medicine department offers insurance-covered testing and treatment, while symptoms such as snoring, daytime sleepiness, and frequent nighttime awakenings receive specialized sleep disorder care. Medical diet 'Mounjaro' is also offered at an affordable price for a limited time. In addition to multilingual support, the clinic accepts credit cards, debit cards, and electronic payments, and is equipped with barrier-free facilities.