I noticed the Tarlov cyst foundation basically only has 1 Dr who I could reasonably see. Why not include the others?

I'm considering seeing Hsiang, John K., M.D., PhD. (Neurosurgeon) in Seattle the receptionist was very kind and told me he does diagnose and treat Tarlov cysts. Also they told me they'd take my Oregon Medicaid.

Why is he not included on the list? Does he not really treat them and just do evals?

What's the deal with this list:
http://spinetalk.conforums.com/index...num=1228196563

There are 3 Dr's ranging from 3 to 6 hrs drive from me who will see me. I'm confused am I missing something?