Located in Shinnao-cho, Totsuka-ku, Yokohama, Kanagawa, Masuko Clinic specializes in urology and pediatric urology. The clinic treats urological conditions including difficulty urinating, frequent urination, urinary incontinence, cystitis, and overactive bladder, as well as pediatric phimosis, nocturnal enuresis, and adult phimosis. Additionally, the clinic provides prescriptions for Viagra for erectile dysfunction and Propecia for male pattern baldness. Through flexible cystoscopy, the clinic enables painless bladder observation using thin, soft fibers. Furthermore, urine flow tests objectively assess urination strength, while portable digital ultrasound examinations detect gallstones, urinary tract stones, prostate enlargement, malignant diseases, and pediatric testicular conditions. For advanced medical care or hospitalization, the clinic collaborates with core hospitals. Clinic hours are weekdays 9:00-12:30 and 15:00-18:00, Wednesday and Saturday 9:00-12:30, closed Sundays and holidays. English is supported, and parking and barrier-free facilities are available. Parental accompaniment is required for patients up to junior high school, and cashless payment is not accepted.