The medic already has a million buffs. I think it's good right now as-is, if someone needs healing then they need to make sure they are close enough to a medic to get healed.
Yeah, medic is almost a bit OP imo
they can easily get tons of points just by switching from person to person maxing out their health, and with the uber saw he's like a slower infiltrator. Having the medigun alone is very powerful