Yamaguchi Clinic is conveniently located on the 7th floor of the Sunshine 60 office building, a 3-minute walk from Higashi-Ikebukuro Station. Since opening in 1978, it has supported the community's health for over 40 years. The clinic primarily offers internal medicine (cardiology, respiratory medicine, gastroenterology) and general practice including dermatology, neurology, and pediatrics. Additionally, it provides specialized care for acne treatment, smoking cessation, hair loss, erectile dysfunction, sleep apnea syndrome, and more. Beyond this, the clinic offers extensive fee-based services including orthomolecular molecular nutrition therapy, injection and intravenous treatments, DCT genetic testing, custom comprehensive health checkups, and health examinations, with customizable test content based on patient needs. Influenza vaccinations are available without appointment from 2 PM to 5 PM on weekdays and from 9 AM to 12 PM on Saturdays. Smoking cessation treatment includes Chantix prescriptions. Patients are requested to wear masks and have their temperature measured upon arrival. Starting January 2026, Tuesday hours will be 9 AM to 1 PM (last registration at 12:45 PM) only, with afternoon sessions closed. Please check the official website for weekend availability and detailed clinic hours.