If you are experiencing severe headaches that causes you to vomit and huddle in a dark room for several hours while praying to the gods that they heal you immediately, then you are most likely suffering from migraine. You have to be properly diagnosed by a doctor. That is the only way that you will know for sure that you are suffering from migraine.
Ask your doctor for a referral to a specialist. If your doctor does not know of anyone, you can contact your insurance company to ask if there are any specialists in your area. For more information, you can also contact your local medical boards. You will likely find a major headache organization in your local area. These organizations can be contacted for contact information and names of specialists. You can find the right headache & migraine specialist in LI to get the best treatment.
When it comes to information about doctors, family and friends can also be a good source of information. If you know someone suffering from migraines, it is likely that they are familiar with the doctor he or she is using. Referrals can be obtained from local universities or teaching hospitals.
Once you have a decent list of leads then you can start making calls. To properly screen the doctors, you should ask them about their experience in treating headaches and the number of patients they currently have.