There are numerous resources available to you as you navigate financing your medical school education.
The AAMC has a number of useful tips and resources and you'll find a number of helpful grant and scholarship sources on our own curated spreadsheet here: Outside Sources for Scholarships, Grants, and Loans
If you are looking for some "out of the box" possibilities for funds, try reaching out to your home state medical association. We have a page linked to most of them here: State Medical Association Contact List