What happens if a medical marijuana dispensary you go to gets raided by the feds and take all patient records.?

What happens if the medical marijuana dispensaries you visit gets raided by the feds and all of the patient medical records are taken as well?
Isn't that an invasion of privacy?

: http://alcoholdrugstreatment.info/what-happens-if-a-medical-marijuana-dispensary-you-go-to-gets-raided-by-the-feds-and-take-all-patient-records