For example, Beijing has such a regulation:
Procedures for Changing Designated Medical Institutions of Beijing Basic Medical Insurance
During the period when medical institutions in Beijing enjoy the designated qualification of basic medical insurance, if the name, address, ownership form, hospital category, hospital grade, client and legal representative of the medical institution change, merge with other medical institutions, or change from non-profit medical institutions to for-profit medical institutions, the change procedures shall be handled in accordance with the following procedures:
1. The medical institution that handles the change shall, within/0/5 days from the date of change, go to the Medical Insurance Department of the District (County) Labor and Social Security Bureau to receive the Application Form for the Change of Designated Medical Institutions in Beijing (hereinafter referred to as the Application Form) in triplicate, fill in and affix the official seal as required, together with the Qualification Certificate of Designated Medical Institutions in Beijing (hereinafter referred to as the Qualification Certificate)
Second, the district (county) Labor and Social Security Bureau Medical Insurance Department after the audit, fill in the "Application Form" and affix the official seal, and return the original certificate of change to the medical institution, and other materials to the Beijing Medical Insurance Affairs Management Center (hereinafter referred to as the Municipal Medical Insurance Center).
Three, the city medical center after the audit, in the "application form" to fill in the comments and build official seal, and in the "qualification certificate" to fill in the changes, and keep the "application form" and a copy of the certificate of change for the record, the remaining two and the "qualification certificate" returned to the district (county) labor and social security bureau medical insurance department and medical institutions to apply for change.
Four, the city medical center and the district (county) Labor and Social Security Bureau medical insurance department in the audit, found that the proof materials provided by medical institutions will not change or can not give full proof, should return all the materials, to be re submitted, and then be accepted; If it is found that the change certification materials provided by medical institutions are untrue, all the materials shall be detained, and after verification, they shall be handled as appropriate in accordance with relevant regulations.
Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.