For Appointment and Locations:

(650) 755-4490

Our Physicians


Robert Tseng, M.D.

Robert Tseng, M.D.

Dr. Tseng received his Doctor of Medicine from Hahnemann University School of Medicine. He completed residency and fellowship training at the University of California, Davis. Currently, he is Medical Director of the DaVita Daly City dialysis unit. He is board certified in Internal Medicine and Nephrology, is fluent in Mandarin Chinese, and speaks Tagalog.
Albert Kao, M.D.

Albert Kao, M.D.

Dr. Kao received his Doctor of Medicine from Yale University School of Medicine. He completed residency training at Stanford University Hospitals and Clinics, and fellowship training at the University of California, San Francisco. Currently, he is Medical Director of the DaVita Foster City dialysis unit. He is board certified in Internal Medicine and Nephrology, and is fluent in Mandarin Chinese and Spanish.
Warren Chang, M.D.

Warren Chang, M.D.

Dr. Chang graduated Alpha Omega Alpha from the University of California, Davis, School of Medicine. He completed residency and fellowship training at the University of California, Davis. Currently, he is Medical Director of the DaVita Westlake dialysis unit. He is board certified in Internal Medicine and Nephrology, and is fluent in Mandarin Chinese.
Christian Cruz, M.D.

Christian Cruz, M.D.

Dr. Cruz graduated Alpha Omega Alpha from Mount Sinai School of Medicine. He completed residency and fellowship training at New York Presbyterian Hospital, Weill Cornell Medical Center. His area of special interest is interventional nephrology. He is board certified in Internal Medicine and Nephrology.