I want it to be easier for me to get. I want software that will let me collect my own health data in a medium I can control (selfhosted or SaaS) were I can give

I want it to be easier for me to get. I want software that will let me collect my own health data in a medium I can control (selfhosted or SaaS) were I can give grant and remove access to providers. This way they can into my system and look at my data but not pull it down into their systems.