Tatsumi Clinic is a general internal medicine clinic located in Shirakawa, Ibaraki City, Osaka Prefecture. The clinic is equipped with parking and barrier-free facilities, and provides services in English. In addition to general outpatient services in internal medicine, pediatrics, gastroenterology, and cardiology, the clinic offers specialized outpatient clinics for diabetes and sleep apnea, with treatment provided by specialists. The clinic handles a wide range of examinations including gastrointestinal endoscopy, echocardiography, vascular, abdominal, and urological ultrasound, stress ECG, and 24-hour ECG. They also lend sleep apnea monitoring devices. The clinic is actively involved in home care, and distributes a booklet called "My Medical Record" that lists examination and treatment details, allowing patients to understand their own condition and treatment. Online medical consultation services are also available for follow-up patients.