Takatsu Kōnan Clinic is an internal medicine clinic located in Hiharu, Kumagaya City, Saitama Prefecture. It operates with the philosophy of being an open clinic where patients can feel comfortable consulting with the medical staff. The clinic provides internal medicine services and operates from 9:00 AM to 12:45 PM. It is closed on Tuesdays, the 1st, 3rd, and 5th Thursdays, public holidays, year-end and New Year holidays, and summer vacation. The clinic offers English services and has a parking lot. It is also barrier-free, making it accessible to people with various needs. Since October 1, 2025, the clinic has been administering influenza and COVID-19 vaccinations, and also conducts specific health checkups and cancer screenings. The clinic has a fever clinic and has been certified for the Medical Information and System Infrastructure Development Enhancement.