Her residency program was at the A.R.E. Family Practice Clinic in Phoenix. She has practiced naturopathic medicine and acupuncture since 1988, the and has been in private practice as the director for the Center For Natural Medicine in Central Phoenix since 1991. She is a founder of the Southwest College of Naturopathic Medicine where she developed the nutrition program and now teaches oncology.

 Dr. Keaton first became interested in the treatment of cancer while at the A.R.E. where the inpatient program drew patients from all over the country looking for more balanced approach to their illness. She has developed programs to support patients undergoing conventional treatments for their cancers. Dr. Keaton is well known in the Valley for her expertise in treating cancer and hormonal difficulties. She is a frequent speaker on menopause, thyroid problems, and cancer prevention.

Many patients seek Dr. Keaton's expertise not only because of her excellent medical skills and knowledge but also because she will listen. She will speak to the spiritual and emotional aspects of illness when needed as well as the physical issues. She offers the comfort of an old fashioned family style doctor with the very latest in medical training. Dr. Keaton is medically trained in the use of estrogen and medical evaluation as well as trained in herbal treatments and homeopathy.