I have been seeing Dr. Greenberg for my allergies for a couple of months. My treatment has been rather simple and very efficient. I have been feeling much better and medicine free. I am very happy with the results. I do not live in Las Vegas so we Skype monthly. My first 2 visits were in person. It's worth a try to treat allergies. I've seen multiple MDs and specialists for my allergies and just kept being told to take allergy medication and also nasal/steroid sprays. Currently I am taking no medication and allergies and headaches are so much better. It's been a great experience, he is understanding and truly wants to help cure your ailments. Also, it's not only my allergies that have improved it's my overall health I sleep better, and my skin looks very good!