I have the 1st 7 buttons on the 2nd row of my X-Keys Pro dedicated to healing macros. (they are bound to numpad 0, 1-5 & .)

focutargettarget
1.
Code:
/cast [target=focustargettarget, nomodifier] Healing Touch; [target=focustargettarget, mod:alt] Regeneration; [target=focustargettarget, mod:alt] Regrowth
named characters
2-5.
Code:
/cast [target=Ashanav, nomodifier] Healing Touch; [target=Ashanav, mod:alt] Regeneration; [target=Ashanav, mod:alt] Regrowth
OMGWTF (on all characters)
.
Code:
/cast [target=focustargettarget,nomodifier] <flash heal>; [target=focustargettarget,mod:alt/shift] <big heal>; target=focustargettarget, mod:ctrl] Git of the Naaru