Before performing his residency at Montefiore Medical Center and a hospital affiliated with Albert Einstein College of Medicine, Dr. Ewig attended Penn State College of Medicine for medical school. He has a special interest in sleep disorders, cystic fibrosis (CF), and asthma. Dr. Ewig is in-network for several insurance carriers, including United Healthcare HSA, United Healthcare HMO, and United Healthcare POS. Distinctions awarded to Dr. Ewig include: 2012US News and World Report; Top Doctors for Pediatric Pulmonology; and Certificate of Appreciation, University of South Florida Pediatric and Med-Peds Residents. Dr. Ewig is professionally affiliated with Children's Hospital of Philadelphia (CHOP).