Dr. Irwin Shelub is a pulmonology doctor from Daly City, California and he works with several hospitals in the area, including Seton Medical Center and Mills-Peninsula Health Services. He is certified in Internal Medicine and Pulmonary Disease and has more than 20 years of practice. He received his medical degree from Baylor College of Medicine and did his residency in Internal Medicine at the University of California-Davis. He did his fellowship in Pulmonary Disease at the University of Colorado.