I agree that you are in good shape: Dedication to a career in medicine is the most important part, and you have shown that with our ECs.
As far as I can tell, the MCAT is the only thing that might be standing in your way, but even with your score now, you have a shot at a low tier MD school. As long as you raise your verbal score, you will be a shoe in for MD. If you can raise your science scores as well, that can only help you, and they are easier to raise than verbal. Finally, make sure to write excellent essays.