Dr. Raymond C. Tsai, MD | Stanford, CA | Family Medicine …
Raymond Tsai 1 , Elijah J Bell 3rd 1 2 , Hawkin Woo 1 3 , Kevin Baldwin 1 , Michael A Pfeffer 1 ... Results: Patient portal users tended to be older (49.45 vs. 46.22 years in the entire sample, p = ….