It is a good idea to do a little internet research on a doctor and here are some web site that can help with ratings, patient testimonials and also seeing what professional membership sites have listed.
you can look on realself.com
you can look on DallasDoctorBios.com
You can check at the American Society for Aesthetic Plastic Surgery
You can check at Vitals.com
There are many more sites that you can look for to get patient ratings on doctors. It is a good idea to do that before you schedule your surgery.