Keirin ENT & Middle Ear Surgery Clinic, located in Atsubetsu-chuo, Atsubetsu-ku, Sapporo, is a clinic specializing in Otolaryngology (ENT), Allergy, and Pediatric ENT. The clinic's standout feature lies in its high expertise in middle ear surgery. The director has experience treating various types of hearing loss and otitis media in the Auditory Division at Hokkaido University Hospital, and has also honed skills at Sendai Middle Ear Surgery Center, known as one of Japan's foremost middle ear surgery institutions, as well as in the middle ear, Eustachian tube, and acoustic neuroma outpatient department at Tohoku University Hospital. Based on this experience, the clinic offers day surgery for tympanoplasty and tympanomastoidectomy for chronic otitis media, and is one of the few facilities in Hokkaido capable of addressing cases regardless of perforation size. The clinic treats challenging cases including patulous Eustachian tube and acoustic neuroma, covering a wide range of ENT specialties, and accepts patients bringing data from other hospitals. Appointments are by reservation, with Thursdays and Tuesday afternoons dedicated to surgeries and specialized examinations. The facility is equipped with parking and barrier-free features, and English language services are available, creating an accessible environment for patients from diverse backgrounds. It is one of Hokkaido's leading otology clinics, providing specialized approaches for ear-related concerns such as tinnitus, hearing loss, and dizziness.