Issues and doubts will not vanish until the current system of healthcare is not yet changing. Having a unreliable and unsecured files can actually affects the patients when it has been sabotage by someone. Blockchain has been offering its help to the community so we can all have a transparency, privacy and security. Healthcare Industry will have its own efficient and secured control access to the information and data.
https://blog.kucoin.com/blockchain-use-cases-in-the-healthcare-industry-sk-st