I agree with the others. If you are not comfortable with your dr, then definately switch.
I will say that in the beginning I didn't care much for our dr. (but he came highly recommended by friends and family so I decided to stick with him for the first few months) Now after having him for a year, I love him. He has the personality of a turtle, but he is an excellent dr.
I learned early on that its okay to ask TONS of questions and if they say something you don't agree with, call them on it. For instance, when the dr. said it was because of acid reflux, I would have probably said that I find that hard to believe and to please explain why she thinks its acid reflux. Sometimes by getting the Dr. to think more about the problem they might look into things a bit further or after explaining it all you might feel more comfortable.
And also, ear infections can sneak up on you. There have been a few times when I just "knew" that Aria was getting one. I would take her in and they would say she was fine, no infection. The next day she would be absolutely miserable and I would take her back and sure enough. She would have a nasty infection.