Scribe! Although this may sound like a "typical activity," this is one of the top clinical experience a pre-medical student can choose. Not only to you work directly with physicians, but you go into every room, and witness the physician-teaching style that may inspire you to be a physician. This is your chance to show medical schools that you understand the rigors of what it takes to be a physician and why it inspires you to continue on this path. Yes, the above mentioned are great ways to get your feet wet in a clinical setting, but from my experience, scribing puts you in direct contact with physicians, and thus they can become your mentor and write you your letters of recommendation.
This professional recommends the following next steps: