Denton Chiropractor Robert T. Howell has been practicing for over 35 years. At A Family Chiropractic Clinic, a top rated Denton Chiropractic Clinic--you will find compassionate, professional care. Some chiropractic clinics and chiropractors care more about the bottom line than the patients. Not at A Family Chiropractic Clinic. Denton Chiropractor Robert T. Howell of A Family Chiropractic Clinic, prides himself in providing superior care.