Gee Ted, maybe I would hold off on the Oreo treatment with a Doritis species. I really think that they like to be grown drier then a typical Phalaenopsis.
Now why do I think that Ted? Well just look at the root mass that you can see. That massive root system produced in a very tight knot like you see in your image is not typical when it comes to growing Phalaenopsis. Yes, I know DNA people keep lumping them in with typical Phalaenopsis but vegetatively they seem different. Take a close look at the foliage, the leaf texture if you will. A Phalaenopsis leaf feels much different then a Doritis leaf. A Doritis leaf feels thicker, stiffer, kind of "sandpapery" in texture.
So why does this make a difference?? It does Ted because I think that their natural habitats are a bit drier then for Phalaes. and a bit sunnier. Doritis in fact grow in brighter situations I seem to recall. I think that their rougher, sandpaper stiff leaves help them survive in their environment. Of course, my opinion is based on a lot of plant observations and evaluations. And yes, you can certainly try the "Oreo Method" but just be real observant as to how your baby responds. Be prepared to change the pot and media if she suffers.
And now when you look at a first generation Doritaenopsis hybrid that we used to designate as such, the leaves of such hybrids revert to Phalaenopsis traits. The softer Phalaenopsis dominates and the hybrids grow much more like a typical Phalaenopsis.
