Healers from Inner Wagons sent to Outer Wagons to help fill out duty roster:
Sita, Helene and Mary
Sita is considered a Senior Healer within the Outer Wagons
Bridgette, a Surgeon, was also sent to the Outer Wagons and is considered Second Surgeon.
If you go to the Outer Wagons, these are the NPC's that are named and ready to be used.