Dr. Dario R Mcdonald specializes in emergency medicine in Santa Maria area. Dr. Dario R Mcdonald has a medical practice at 1250 16th St, Emergency Department, Santa Maria CA, and has over 33 years of experience in the field of medicine. He graduated from Umdnj-new Jersey Medical School with his medical degree in 1984. Dr. Mcdonald is accepting new patients at his medical office and practice location in Santa Maria, California. He is available for appointments, preventative care, medical care as well as ongoing patient care.