Located on the 2nd floor of the ST Building in Iidabashi, Chiyoda Ward, Kotenkai Iidabashi Clinic, a medical corporation, is a clinic specializing in internal medicine and plastic surgery. While the official website lists dermatology as a specialty, it offers treatment for skin conditions such as vitiligo vulgaris and psoriasis vulgaris. Evening hours are available, accommodating the diverse lifestyles of patients. In terms of equipment, laser treatment devices have been introduced, offering not only vitiligo and psoriasis treatments but also cosmetic dermatology and hair removal procedures including Botox, hyaluronic acid injections, AGA treatment, and M22. The clinic also addresses common skin concerns such as ingrown nail treatment and atopic dermatitis. Payment methods accepted include credit cards, debit cards, and electronic payments, and English-speaking services are available. Closed on Sundays, national holidays, January 1st to 3rd, and December 30th and 31st.