Dr. Pornchai Tirakitsoontorn is a well-known pulmonologist in Orange, California. He received his medical diploma from Chulalongkorn University Faculty of Medicine, Bangkok, Thailand in 1991. Dr. Tirakitsoontorn completed his medical education with a residency in pediatrics at Jersey City Medical Center and a fellowship in pediatric pulmonology at the University of California Irvine. He is certified by the American Board in pediatric pulmonology and pediatrics. His subspecialties are: general Pediatric Pulmonology, Cystic Fibrosis Pulmonology, Pediatric Asthma Pulmonology and Pediatric Bronchoscopy. This doctor works in multiple hospitals in the area, including: University of California Irvine Medical Center, Children's Hospital of Orange County, Healthbridge Children’s Hospital, Whittier Hospital Medical Center, PIH Health Hospital and Mission Hospital. He has published 3 articles in collaboration with other doctors. He is a member of the medical organizations: American Academy of Pediatrics, American College of Chest Physicians, American Thoracic Society and American Medical Association. Besides English, he can speak Thai.