Dr. Luis Dimen finished his medical school at the George Washington University School of Medicine and completed his residency in internal medicine at Thomas Jefferson University. He also did a fellowship in pulmonary disease and critical care at the University of Southern California. He is a board-certified pulmonologist with a license to practice in the State of California. Based in Pasadena, California, Dr. Dimen is associated with several hospitals in the area including the Huntington Hospital, Beverly Hospital, Methodist Hospital, and USC Verdugo Hills Hospital. He has been in clinical practice for about 20 years and has also contributed to two research publications.