Yamaya Clinic, located in Honsho, Mitsuke City, Niigata Prefecture, is a medical clinic specializing in internal medicine, pediatrics, and gastroenterology, approximately a 15-minute walk from Mitsuke Station on the Shin-etsu Main Line. Dr. Haruyoshi Yamaya, the clinic director, adheres to the fundamental principle of 'patient-centered care,' emphasizing careful listening to symptoms and thorough explanations of treatment plans. The clinic actively addresses chronic diseases and lifestyle disease prevention, serving patients from children to the elderly across a wide age range. With a focus on gastroenterology, the clinic utilizes the latest endoscopic equipment for early detection and treatment of stomach and colon cancer, and provides referrals to specialized hospitals when necessary. Online consultations are available, allowing patients with fever symptoms to receive remote care via smartphone. The clinic also implements generic name prescribing to ensure stable medication supply. English language services are available, and parking is provided. The clinic is open weekday mornings and afternoons including Thursday afternoons, with closures on Wednesday afternoons, weekends, and holidays.