Juli Mazi Naturopathic Doctor Napa, California Juli Mazi earned her PhD in Naturopathic Medicine from the National University of Natural Medicine in Portland, Oregon, where she studied both conventional medical sciences and ancient and contemporary healing therapies that depend on Nature's restorative power. Juli Mazi embodies the bright health that she is dedicated to assisting her patients in attaining. Her optimistic approach instills confidence, and her deep reservoir of serenity immediately puts others at rest. The second thing people notice is how attentive she genuinely is. Her very presence is a source of healing.