Looking for a neurologist

Hi,

I really need a good neurologist. I have been suffering with hypersomnia for the last 5 years, causing me to sleep 12-15 hours a day. I also have bad pressure headaches and migraine-like auras. After a barrage of tests and incorrect diagnoses, a recent test found an 8mm pineal cyst in my brain. I went to a neurologist who told me I was fine. I really think he is incorrect. Does anyone know a good neurologist/neurosurgeon in the Saint Louis, MO area? It would be great to see a doctor who is experienced with pineal cysts. I want to go to graduate school next month to pursue my PhD, but I am worried that all of this sleep is going to hurt my performance. I would really appreciate any advice I can get. Thanks!