Dunno about that
Healer: +0.4375 to 4.4375 per hit die spent.
At level 5, with 4 party members, = +1.4375 * 20 dice = 28.75 extra HP.
+ a little more on whatever spells you cast.
Mark of healing: 14 HP.
+1d4 to medicine checks
Lesser restoration 1/LR
More spell choices for a caster (not...