Submit Your Testimonial Google Reviews Website Reviews Written Testimonials About the Experience How was your overall experience?: Poor Fair Good Very Good Excellent Comments: Dr. Mark Prasarn is the most outstanding surgeon in all of Houston. I did my homework for a year and a half before deciding on Dr. Prasarn to do major back surgery. He is the best. I never had therapy afterwards and was walking 2 miles a day within a month. I highly recommend him.