Big fan of Dr. Leung. He will be straight with you about whether your issues are serious or no big deal and something you can learn to live with. Either way he will pay close attention to your concerns and personalize an evaluation and treatment plan for you. Professional when appropriate, always greets you with a firm handshake, but also colloquial and easy to talk to. Will tell you straight up if he gives you boring material that he has to make you read. I also love that he is both allergy/GI and it can be hard to find a private gastroenterologist.