Dr. Patrick Drennan received his undergraduate degree from Georgetown University and his medical degree from Louisiana State University School of Medicine in Shreveport, Louisiana. Following this, he completed his internship and residency at Louisiana State University in New Orleans. Dr. Drennan completed his fellowship in child and adolescent psychiatry at Louisiana State University in New Orleans. He is board-certified in child and adolescent psychiatry and has been on staff at Ochsner since 2017 and practicing medicine since 1998.