Located in Minami-Senju, Arakawa Ward, Tokyo, Choseikai Nakayama Clinic is a dermatology clinic offering English-language services and barrier-free facilities. The clinic participates in the Medical DX Promotion System Reimbursement, leveraging diagnosis information obtained through the online eligibility verification system for patient care. For allergy contact dermatitis, patch testing using Patch Test Panel®S is introduced. For difficult-to-control atopic dermatitis, treatments with Dupixent®, Mitchga®, and Xolair® are provided. The clinic prescribes Zagallo®, Propecia®, and generic medications for male pattern baldness on-site. For challenging onychomycosis cases, immunological diagnosis using DermQuick® Onychomycosis is performed. Vaccination services include regular shingles vaccination, and the clinic is registered as a prescribing physician for Epipen® self-injector for anaphylaxis. Payment methods include PayPay, various credit cards, and electronic money. The clinic is closed on Thursdays, Sundays, and holidays, with year-end and New Year closure from December 29 to January 4.