For Jorasco approved healing (standard service, book prices), there is an herbalist in Lower Northedge, North Market, The Bountiful Blossom, a young female half orc Kuli Thalish (Magewright Expert L1, Herbalism kit. Potions of Healing for sale). 90 minutes on foot, 45 minutes/2cp by Orien carriage, 15 minutes/2sp by flight.
In the Deathsgate district in Middle Tavick’s Landing is the nearest full service Jorasco House of Healing (Deathsgate district is one of the two districts that caters to adventurers). You can get mundane healing, potions, and magical healing here. If you can pay for it. (Book prices, service cost per level of NPC you want.)