Agree with the above. If you want to apply MD, you DEFINITELY need to retake the MCAT. 25 is just too low for MD schools. And if you're applying this cycle for the class of 2015, a March retake won't count--virtually every school I know of won't take scores later than September (a few will accept October).
I know this from experience: my overall MCAT wasn't low (31), but it was unbalanced, with a low PS score. I took the Jan MCAT during the application cycle, and although it went much better (33, with 12 in PS), none of my schools would look at the score because it came after their cutoff. I did get into med school anyway, but had to go far from home. I probably could have been admitted IS if I'd had the better score in hand when I applied.
Depending on where you live, you probably need at least high 20's, and more likely 30+, to have a chance at allo school. But DO school may still be an option, although average scores are going up there as well.
If I were you, I would just withdraw my MD apps right now and apply next year. If you haven't been verified yet (the ideal situation), you won't be considered a reapplicant, but even if you are I would still do it and save yourself the secondary fees, which are quite substantial. If you do get classified as a reapplicant and have to say how you improved your app since last year, the MCAT score is the obvious explanation.