This is a monk build for survivability. It doesn't focus exclusively on healing, but its a big part of the build. Its mostly based on the passive skill that increases health with each spirit point spent. Aside from the one mantra, there is one spirit generator and the rest spirit spenders. The runes mostly complement this concept. This is geared towards high level content where survivability will be key. It also has some elements of healing party members.
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http://us.battle.net/d3/en/calculator/monk#bcXhRZ!YdV!YbYZcc
Let me know what you think!