In need of a good doc in the valley

With there are so many websites and advertisements, it's hard to know who is legit and who is reasonable. I suffer from migraines and slight insomnia, but don't have medical documentation of it. From what I've read, most doctors require a prior diagnosis of the symptoms before they issue you a prescription. I am asking you guys for help finding a legit doctor who will help me without requiring past medical documentation. I live in van nuys and any and all recommendations are appreciated! :thumbsup: