Here is a running list of scholarship & grant information I found. Feel free to check into it. No claims are made as to the validity of these items however, it is sure worth investigation if you are looking for ways to pay for college.
1. From AAMC Association of American Medical Colleges
and also this document
POTENTIAL FUNDING SOURCES FOR MD-PhD STUDENTS
Please visit the websites for deadlines, qualifications, and funding applications.
Two categories of possible funding sources for MD-PhD students are listed below: private, non-federal
sources and federal sources. Students are encouraged to check with their MSTP Administrator and
Graduate Program Administrator to be sure funding policies are followed and to apply for funding
appropriate for your scientific discipline.