Hi,
I know a few non vax friendly doctors. Dr.  Bain @ Healthy Kids pediatrics in Frisco and Dr. Chartrand in McKinney. They're both really good. I don't know anything about Waldorf-inspired childcare though. There are several farmers markets- a big one in downtown Dallas and several through out the suburbs. There's a Whole Foods in Plano and in Dallas, several Sprouts and also a few Natural Grocers throughout the metroplex. Also in Dallas is Urban Acres, a natural food store with a co op option http://urbanacres.wordpress.com/ A lot of neighborhoods have walking paths- Plano has a big one, there's a few in Dallas too. I think you'll be able to find all the things you are looking for, but maybe not all in the same neighborhood. It's all pretty spread out here.Â
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As for midwives, there are many great midwives in the area, but I don't know if anyone is looking to take on a student at the moment. There is one birth center down south a bit that focuses on teaching... http://www.cleburnebirthingcenter.com but it is about an hour from central Dallas.Â
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Hope that helps!