This talent is the reason why most high level Restoration druids spend points in the Natural Shapeshifter talent. Note that this talent does not improve healing for druids who do not have the Tree of Life talent.
The bonuses from this talent stack with other talents that provide similar bonuses, such as Gift of Nature.
Tips and tactics
Though located in the Restoration tree, Master Shapeshifter is a very valid talent for a full Balance or Feralspec and is included in most cookie cutter builds.