On average, patients gave him a rating of 3.0 stars out of 5. Dr. Dea is especially interested in sleep disorders, asthma, and chronic obstructive pulmonary disease (COPD). He is affiliated with Providence Saint Joseph Medical Center. He accepts Anthem, Blue Cross/Blue Shield, and Coventry, as well as other insurance carriers. Dr. Dea welcomes new patients. He attended medical school at the University of Chicago, Pritzker School of Medicine. He trained at a hospital affiliated with the University of California, Los Angeles (UCLA) for residency.