I’m not really sure how far blue button has integrated past the VA. While you may be able to retrieve your records and bring them with you on a flash drive, they might still be in a proprietary format such as a Lucy file. If you have complex medical issues - most of the clinicians at the leading academic medical centers want paper. The best way to do this, is to simply get a copy of the clinic note, if it is not included in the discharge summary. Scanning files into google drive is a way to archive them. You can quickly print notes and carry them in a binder with tabs when needed.