Nonaka Internal Medicine Clinic is located on the 3rd floor of the Senri Tsukumo Medical Building in Tsukumodai, Suita City, Osaka, approximately a 2-minute walk from Yamada Station on the Hankyu Senri Line and Osaka Monorail. The clinic specializes in internal medicine and gastroenterology. Dr. Chikaya Nonaka, the director, graduated from Osaka Medical University and subsequently worked at Saiseikai Suita Hospital and Taisho Hospital, where he earned his doctoral degree and served as vice director, establishing his expertise in gastrointestinal diseases. A distinctive feature of this clinic is gastroscopy (upper GI endoscopy) performed by the director, who specializes in the upper digestive tract (esophagus, stomach, and duodenum). The clinic employs a thin-diameter fiberscope with a tip diameter of 5 millimeters, allowing for examinations with minimal discomfort even without intravenous anesthesia. The clinic also actively provides testing and eradication treatment for Helicobacter pylori bacteria in the stomach. In terms of equipment, the clinic has introduced an endoscope disinfection system using electrolyzed acidic water, implementing thorough infection control measures by disinfecting after each examination. Abdominal ultrasound examinations are also available for the liver, gallbladder, kidneys, and pancreas. Consultation hours are from 9:00 AM to 12:30 PM and 4:30 PM to 7:00 PM, with Saturday morning appointments available (closed Wednesday afternoon, Saturday afternoon, and Sundays/holidays). English assistance is available, and the facility is equipped with parking and barrier-free access, making it accessible to a wide range of patients. Please note that payment is accepted in cash only.