Jōtoku Internal Medicine Clinic, located in Kamiwai Kō, Saijō City, Ehime Prefecture, is a clinic specializing in cardiology and nephrology. The cardiology department treats heart and vascular conditions including hypertension, angina pectoris, myocardial infarction, arrhythmia, heart failure, valvular heart disease, arteriosclerosis, and peripheral arterial disease. The nephrology department treats renal failure, chronic glomerulonephritis, diabetic nephropathy, nephrosclerosis, nephrotic syndrome, renal anemia, and other conditions. A notable feature is the late-night hemodialysis program available until 11:00 PM, a rare service in Ehime Prefecture that attracts many patients from Saijō City as well as Imabari and Niihama. Dialysis sessions are scheduled for Team A from 8:30 AM and afternoon through 11:00 PM, and Team B from 8:30 AM. Clinic hours are 9:30 AM to 12:30 PM and 2:00 PM to 6:30 PM, closed on Sundays and holidays. The facility offers parking, barrier-free access, and English language services.