According to Article 204 of China's Criminal Procedure Law and relevant judicial interpretations, you belong to the circumstances stipulated in Chapter IV and Chapter V of the Specific Provisions of the Criminal Law, and the defendant may be sentenced to fixed-term imprisonment of not more than three years. Criminal private prosecution can be carried out.
You can extort public or private property according to Article 274 of the Criminal Law. If the amount is relatively large, you shall be sentenced to fixed-term imprisonment of not more than three years, criminal detention or public surveillance. If the amount is huge or there are other serious circumstances, he shall be sentenced to fixed-term imprisonment of not less than three years but not more than ten years. Directly file a criminal private prosecution with the local court where your clinic is located.
According to Article 204 of China's Criminal Procedure Law and relevant judicial interpretations, if the victim directly brings a lawsuit to the people's court, the people's court shall accept it according to law. If the evidence is insufficient and the public security organ can accept it, or the defendant may be sentenced to more than three years in prison, it shall be transferred to the public security organ for investigation. If the victim complains to the public security organ, the public security organ shall accept it.
If you don't know yourself well, you can find a lawyer.