You seem to have his profile down very well, given the strength of his jaw; though his neck seems a little thick in the top picture. For the front-facing image, his features all seem a little too close together on his face, perhaps difficulty with the perspective?
Medic, as a physical character, has slightly smaller eyes than the other team members (that I have noticed), and his nose has a deliciously broad bottom. I do very much enjoy how you draw his uniform, though, and dem eyebrows. Keep at it!