Check my Article

Pokitdok
https://pokitdok.com

Patientory
https://patientory.com

GEM
https://gem.co/

GuardTime
https://guardtime.com/

Chronicled
https://www.chronicled.com/

these projects are being developed. My favorite is patientory that covers the patient privacy very well. But I honestly prefer having my record on a blockchain instead of big pharma, if possible.
This blockchain is not built as you describe it would be. @cleverbot