Dr. Moon Chan Chang, MD

Dr. Moon Chang is an internal medicine physician who also specializes in pulmonology, bringing over six decades of medical expertise to his practice. He earned his medical degree from Kyungpook National University and completed his residency at Catholic Medical Center of Brooklyn & Queens. His extensive experience spanning 61 years has established him as a seasoned practitioner in both general internal medicine and respiratory care.

Dr. Chang is affiliated with Ronald Reagan University of California Los Angeles Medical Center and practices in Panorama City, California. His clinical focus centers on sleep disorders, particularly obstructive sleep apnea in both adults and children. He provides comprehensive care for patients struggling with sleep apnea, helping them achieve better rest and improved quality of life through specialized pulmonary medicine approaches.