In most egg donation cases, the intended parent and the egg donor will not have any contacts. It is called unknown egg donation. Your and donor's identity will be well protected. However, there are a few open cases, which the egg donors and intended parents do not mind to have a meeting in person or virtually.
How can I verify my egg donor's authenticity if I do not meet with her
The egg donor's personal and medical information will be sent to your IVF clinic. Also your attorney will have your egg donor's personal information. It is easy to verify the egg donor authenticity by those professionals.