IT WILL GET HACKED. It’s a matter of time.
And yes, the weakness is the doctors’ computers. You hack those with access, not the central fort.
Its why why the Chinese went after the BOM as they had links into defence computers and anyone who works in a private company that has government contracts is routinely hit. Once your data is out there, you can’t get it back.
Trusting AVMED is a secondary consideration.
Also, don’t upload your DNA to ancestry websites, not to hide bad uncle Charlie, but if you want to get health insurance in 20 years. I’m sorry Mr. Brown, I see from your DNA that you have the genetic markers of heart disease, you are too great a risk to insure (or you have to pay an excess).