Tsunashima Naika Clinic, located in Obasawa, Murakami City, Niigata Prefecture, is conveniently situated approximately 5 minutes by car from the Asahi Mitomo Interchange on the Nihonkai-Tohoku Expressway. The clinic specializes in Internal Medicine, Gastroenterology, Endoscopic Medicine, and Pediatrics, with physicians holding qualifications as Gastrointestinal Endoscopy Specialists and Gastroenterology Specialists. The clinic emphasizes careful listening to each patient's symptoms and thorough explanation of treatment plans until patients fully understand. In addition to focusing on chronic diseases and lifestyle disease prevention, the clinic offers various virus tests including influenza, COVID-19, as well as adenovirus, streptococcus, mycoplasma, pneumococcus, and RSV testing. Vaccination services are comprehensive, including influenza vaccines, nasal FluMist, shingles vaccine, and pneumococcal vaccine. The clinic also provides home-visit medical care for patients who have difficulty visiting the clinic. Medical services are available Tuesday through Saturday, with Saturday afternoon appointments offering convenience for working individuals. Multilingual support including English is available, and the facility features a parking lot and barrier-free accessibility. The clinic has established medical cooperation systems with Kouseiren Murakami General Hospital, Prefectural Sakata Hospital, and Prefectural Shibata Hospital, enabling appropriate referrals to specialized medical institutions when necessary—a significant strength of the clinic.