Located north of Santa Fe Ave and Edmond Rd. (2nd St.) Edmond Chiropractor Rondall Cornwell, D.C. at Cornwell Clinic is one of the best chiropractors in the Edmond area specializing in chiropractic care, spinal decompression therapy, and spinal wellness. Dr. Rondall Cornwell is a chiropractor committed to providing back pain relief for many symptoms and conditions so that you can have a higher quality of life. Dr. Cornwell serves the Guthrie and Oklahoma City area as well.