Gateway Chiropractic is a chiropractic clinic located in St. Louis, MO at 11339 Gravois Rd. Phone: 314-909-9000. 45 verified patient outcomes documented on ChiropracticResults.com. Rated 5.0 out of 5 stars from 41 patient reviews. Specialties include: Lumbar Disc Herniation, Cervicogenic Headaches. Top documented result: 92% pain reduction for Lumbar Disc Herniation in 10 weeks. This clinic's patient outcomes are independently verified and publicly documented.