Regulations Governing the Production and Issuance of the National Health Insurance Card and Data Storage and Access Article 11

When providing medical services for beneficiaries, contracted medical care institutions shall access medical records already stored in or uploaded through NHI Cards or beneficiaries’ medical visit results and medical treatment expenses information provided by contracted medical care institutes based on medical needs. However, this requirement does not apply when beneficiaries have set password restrictions to limit data access.
中文原文 全民健康保險保險憑證製發及存取資料管理辦法第11條
保險醫事服務機構提供保險對象之診療服務時,應依醫療需要,讀取健保卡內已存放、上傳之就醫紀錄或保險醫事服務機構提供之保險對象就醫結果紀錄及醫療費用資料。
但經保險對象設定密碼限制讀取資料者,不在此限。

English translation for reference only; the Chinese text prevails. Not legal advice.