Depending on your state you can opt-out of certain EHR . EPIC is a digital Electronic Health Record system that is used by a large percentage of hospitals, providers etc and are easily seen by all providers. If you take issue with something in your records you can request a form to have the records reviewed and changed or you can provide additional information. Check with your state, hospital and physicians to see which EHR system they use. Don’t sign a blank “release of health information form “. You can control specific dates, providers etc others gain access to.
The PDMP is a national database for every prescription filled. This helps prevent multiple prescriptions being filled for meds.
To see a potential physician’s prescription writing history go to ProPublica Provider Check Up and enter Dr’s name and state. The information may be a couple years old but it gives you a glimpse at their history of medication prescriptions written.