Patients gave him an average rating of 5.0 stars out of 5. These areas are among his clinical interests: shoulder revision, elbow arthroscopy, and reverse total shoulder replacement. Dr. Marra is in-network for Blue Cross/Blue Shield, HFN, and Coventry, in addition to other insurance carriers. He obtained his medical school training at the University of Illinois College of Medicine at Chicago and performed his residency at a hospital affiliated with Loyola University. He is affiliated with Northwestern Medical Group (NMG), Northwestern Memorial Hospital, and Northwestern University Feinberg School of Medicine. Dr. Marra's practice is open to new patients.