Dr. Lees received his medical degree from the Texas College of Osteopathic Medicine in 1982. He completed his family practice internship at Phoenix General Hospital in 1983.

Dr. Lees practiced family medicine in the Valley for over 25 years before joining Deer Valley Medical.

Dr. Lees is board certified by the American Osteopathic Board of Family Physicians. His professional affiliations include American Osteopathic Association, Arizona Osteopathic Medical Association, American College of General Practitioners in Osteopathic Medicine and Surgery and American Osteopathic Academy of Sports Medicine.

Dr. Lees is on staff at John C. Lincoln Deer Valley Hospital.