Nutritional Services of Southern Arizona, Inc. (NSSA, INC.) is Southern Arizona’s premier advanced clinical nutrition practice for individuals, healthcare providers, health care facilities, employer health and wellness programs, and allied health organizations. NSSA, INC. has created a collaborative and personal approach utilizing the Nine-Step Nutritional Care Process designed to develop the most effective nutritional interventions. You and Dr. Picchioni will work together to achieve the best clinical nutrition outcomes possible.