His average patient rating is 5.0 stars out of 5. In his practice, he is particularly interested in diabetes and metabolism. Dr. Tzeng is affiliated with SEBMF - Diablo Division Community Provider Network, John Muir Medical Center, Concord, and John Muir Physician Network. He takes Blue Shield, Health Net, Blue Cross/Blue Shield, and more. Dr. Tzeng is open to new patients. Before performing his residency at Martinez VA Medical Center and a hospital affiliated with the University of California, Davis, Dr. Tzeng attended New York Medical College for medical school. Dr. Tzeng (or staff) is conversant in Mandarin and Taiwanese. He also offers language support for Spanish-speaking patients.