This clinic, located in Shinokawamachi, Shinjuku Ward, Tokyo, is an internal medicine practice conveniently situated a 7-minute walk from Iidabashi Station. In addition to internal medicine, they offer comprehensive internal medicine, general surgery, fever clinic, dermatology, proctology, urology, gastroscopy, H. pylori testing, sleep apnea syndrome diagnosis, Holter ECG, vaccinations, online consultations, cedar pollen and house dust treatment, on-site influenza vaccination, and self-paid treatments. The clinic has a well-established examination system, conducting ultrasound examinations performed by a Japan Society of Ultrasonics certified sonographer. They also provide health checkups including ward health examinations, health checkups for late-stage elderly, health insurance association examinations, specific health examinations, and pre-employment health examinations. The clinic has applied for the Medical DX Promotion System Establishment Allowance and utilizes medical information obtained through the Online Eligibility Verification System for examination and treatment. They have submitted notifications to the Kanto-Shinetsu Regional Bureau of Health and Welfare for various allowances including outpatient infection control improvement allowance, collaboration enhancement allowance, nicotine dependence management fee, outpatient/home care improvement evaluation fee, standards for medical treatment using information and communication devices, oxygen purchase unit price, and cancer treatment collaboration guidance fee. The clinic is scheduled to be renamed to Kiseikai Heart Clinic Iidabashi starting January 5, 2026.