Reviews Are the Sincerest Compliment. We rely on word of mouth to grow our practice, and we thank you sincerely for sharing your positive experiences from Diagnostic Pain Center! GOOGLE: Please click on http://plus.google.com/+DiagnosticpaincenterNorth/about and select “Write a Review.” Click “Follow” Button when done. YELP: Please click on: http://www.yelp.com/biz/robert-s-marks-md-austin-2 and select “Write a Review.” FACEBOOK: Please click on: https://www.facebook.com/DiagnosticPainCenter and select “Like” and “Review.” YELLOW PAGES: Please click on: http://www.yellowpages.com/austin-tx/mip/diagnostic-pain-center-478341536?lid=478341536 and select “Reviews.” VITALS: Please click on: http://www.vitals.com/review/Dr_Robert_S_Marks HEALTHGRADES: Please click on http://www.healthgrades.com/physician/dr-robert-marks-yyvpl and select “Take A Survey” RATEMDS: Please click on: http://www.ratemds.com/doctor-ratings/3028006/Dr-Robert+S.-Marks-Austin-TX.html