Sandstone Chiropractic - Willis is a chiropractic clinic located in Willis, TX at 9611 FM 1097. Phone: (936) 230-5515. 212 verified patient outcomes documented on ChiropracticResults.com. Rated 5.0 out of 5 stars from 318 patient reviews. Specialties include: Chronic Back Pain, Chronic Migraines. Top documented result: 98% pain reduction over 6 weeks for Chronic Back Pain in 6 weeks. This clinic's patient outcomes are independently verified and publicly documented.