Episkey

A creature of your choice that you can see within range regains hit points equal to 1d4. This spell may not cure diseases, and may not heal wounds greater than a broken nose, finger, or shallow gash. May not give bonus hitpoints. 

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the healing increases by 1d4 for each slot level above 1st.