His areas of expertise include the following: external eye diseases and cornea problems. Dr. Haddadin takes Blue Cross/Blue Shield, Coventry, and TRICARE, as well as other insurance carriers. Before performing his residency at Massachusetts Eye and Ear Infirmary, Dr. Haddadin attended Harvard Medical School. Dr. Haddadin is professionally affiliated with Cook County Health & Hospitals System, Northwestern Medical Group (NMG), and Northwestern Memorial Hospital. His practice is open to new patients.