I am so thankful that I found Dr. O’Brien.  She has truly changed my life for the better.  Dr. O’Brien is an amazing listener, which is essential in functional medicine.  Instead of trying to treat my symptoms, she got to the root causes of my health problems. I spent 3 hours with Dr. O’Brien at my first visit. She listened to every aspect of my life and connected so many health issues that I always thought were unrelated.  Turns out they weren’t unrelated at all.  I have referred so many family and friends to Dr. O’Brien – including my chiropractor.  I haven’t felt this good in years, and I owe it all to Dr. O’Brien.                                                                                                 --Jill     Frisco, TX 

When I arrived on Dr. O'Brien's doorstep I was battling with extreme insomnia, mental fog and physical exhaustion.  This wasn't the first time I was on this merry-go-round.  I had been to doctor after doctor over the years and no one ever able to determine the cause. The best they could offer me was temporary relief from the symptoms. In my first visit to Dr. O'Brien she was able to provide a prelimiary diagnosis which was later confirmed by the labs and genetic testing.  For the first time in my life I feel like I am on the road to recovery. Dr. O'Brien is truly practicing cutting-edge 21st century medicine with her intimate knowledge of how the body functions combined with recent advances in understanding the human genome.  Her insights and skill are truly worth their weight in gold.  ​                      --Greg   Allen, TX

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Testimonials