Iwakuma Heart Clinic, located in Okagaki-machi, Onga-gun, Fukuoka Prefecture, is a medical clinic specializing in internal medicine and cardiovascular medicine (cardiology). Director Dr. Hiroaki Iwakuma graduated from Kurume University School of Medicine and, as a board-certified cardiologist by the Japanese Circulation Society, accumulated 23 years of experience at regional medical institutions before establishing the clinic at its current location in 2015. The clinic is characterized by its comprehensive approach, providing integrated care spanning prevention, diagnosis, treatment, and patient guidance. It offers a well-equipped examination system covering vascular and pulmonary age assessment, bone density testing, 24-hour electrocardiography, ultrasound examinations of the heart, cervical cerebrovascular system, thyroid, and abdomen, as well as sleep polygraphy. Notably, the clinic features an in-house catheter laboratory, enabling same-day procedures including coronary and lower limb angiography, arrhythmia testing, pacemaker implantation, and angioplasty. Consultation hours are Monday, Tuesday, Wednesday, and Friday from 8:45 a.m. to 5:30 p.m., with Thursday and Saturday available for morning hours only. English-language support is available, and the facility offers a 10-space parking lot and barrier-free design to accommodate a wide range of patients.