Ennis Zaitoon is an Internal Medicine doctor in Riverside, California. Dr. Zaitoon is highly rated in 1 condition, according to our data. His top areas of expertise are Chronic Obstructive Pulmonary Disease (COPD), Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), and Glucocorticoid-Remediable Aldosteronism.