Dr. David Tzeng is a pulmonologist based in Sacramento, California. He has been in practice for the past 16 years. Dr. Tzeng graduated in 2001 from the medical school of the Tufts University. He completed a residency program at the University of California San Diego and then did a fellowship at the University of California-Davis. Dr. Tzeng is a board-certified specialist in Pulmonary Disease and Critical Care Medicine. He is an active researcher and some of the topics he covered in his studies are dyspnea in a woman with CREST syndrome, phosphorylation of purified estradiol-liganded estrogen receptor, headaches, seizures, and hypertension in a pregnant woman. Dr. Tzeng is currently affiliated with the Kaiser Permanente South Sacramento Medical Center and Kaiser Permanente Sacramento Medical Center.