Tomotsu Internal Medicine Clinic is an internal medicine and gastroenterology clinic located in Higashi Ward, Sakai City, Osaka Prefecture, with an excellent location just a 2-minute walk from Kitanoda Station on the Nankai Koya Line. The clinic director, who is a specialist in both general internal medicine and gastroenterology, provides comprehensive internal medical care. The clinic places special emphasis on treating patients with fever and infectious diseases, and never refuses treatment based on fever alone. For patients suspected of having an infectious disease, the clinic provides a dedicated waiting area and conducts examinations within partitions equipped with HEPA filters, thoroughly implementing measures to prevent hospital-acquired infections. The clinic also takes environmental safety measures, including ventilation that maintains CO2 concentrations below 1,000 ppm and operation of space deodorization and sterilization machines using hypochlorous acid. The clinic also embraces medical DX, issuing electronic prescriptions using My Number cards and utilizing medical information through the regional healthcare information network system. The clinic supports multiple languages including English and Korean, and is equipped with a parking lot and barrier-free facilities. With a philosophy of listening carefully to patients and choosing evidence-based standard care, the clinic provides recommendations that incorporate not only medical knowledge but also expertise in public health, administration, and long-term care.