Himawari Clinic, operated by the medical corporation Kouyukai, is an internal medicine clinic located in Anesaki, Ichihara City, Chiba Prefecture, approximately 1.8 kilometers from JR Anesaki Station. Access from the main gate is convenient via the Aobadai and Teikyo University-bound buses, getting off at Anesaki High School. The clinic is equipped with a parking lot accommodating 60 vehicles, making visits by car convenient. Clinic hours are Monday to Friday from 9:00 to 12:00 and 15:00 to 19:30, and Saturdays from 9:00 to 12:00. The clinic is closed on Sundays but operates on holidays. Since August 2025, an online reservation service has been launched, and return patients can access it through a dedicated banner. The clinic also has a fever clinic, with a system in place to guide patients to the fever clinic waiting room upon arrival by phone. Safety management and infection control measures are strengthened, and barrier-free facilities are available. The clinic also offers English services.