Hospital medical records are strictly managed, and it is impossible to find them in other hospitals with strict procedures, which means that you can't find the medical records you registered in another hospital in one hospital. Even if the two hospitals have established electronic files and kept online, they should check my medical records (this is absolutely confidential), (there must be procedures, not to say that you can open them whenever you want), including ID cards and discharge certificates. Checking family medical records requires ID card, discharge certificate, power of attorney and client's ID card. The most important thing is that I agree.
So what you said will not happen.