Kozawa Clinic is an internal medicine clinic located in Kita-higashi, Kisarazu City, Chiba Prefecture, offering services in multiple languages including English. The clinic provides a walk-in fever clinic and is able to diagnose COVID-19 and influenza infections, conducting antigen tests. Patients with fever or cold symptoms may be asked to wait separately to avoid contact with other patients, demonstrating consideration for preventing the spread of infection. The clinic also functions as a primary care provider, with referrals to specialists and specialized medical facilities as needed. As a community healthcare hub, it responds to a wide range of consultations, including health management based on health checkup results, long-term care insurance and welfare services, verification and coordination of medications prescribed at other medical facilities, and vaccinations. To promote medical digitalization, the clinic has introduced online eligibility verification, utilizing My Number cards to strengthen information sharing between medical facilities, striving to provide safer and higher-quality care through duplicate medication prevention and drug interaction checks.