You can also complain to the health administrative department. If it constitutes a criminal offence, you can report it to the procuratorate, and it is best to provide evidence or clues to prove the facts of the crime.
According to the legal basis: Article 41 of the Regulations on the Administration of Medical Institutions, the state implements the evaluation system of medical institutions, and the evaluation committee composed of experts comprehensively evaluates the practice activities and medical service quality of medical institutions according to the evaluation methods and standards of medical institutions. The evaluation methods and standards of medical institutions shall be formulated by the administrative department of health of the State Council.