William M. Stephenson, M.D. American Board of Radiology, Diagnostic Radiology, 1984 Dr. Stephenson joined San Mateo Radiology Medical Group in 1985. He is on staff at Mills-Peninsula Hospitals and San Mateo County General Hospital. Dr.Stephenson's academic appointments include chief resident in radiology, instructor in clinical medicine at Dartmouth-Hitchcock Medical Center and clinical instructor in radiology at the University of California, San Francisco. Education M.D. University of California, San Diego School of Medicine, La Jolla, CA 1980 B.S. Stanford University, Stanford, CA 1976 Professional Training Fellowship, Computed Tomography/Ultrasound UCSF-San Francisco General Hospital, San Francisco, CA 1984-1985 Residency, Diagnostic Radiology Dartmouth-Hitchcock Medical Center, Hanover, NH 1981-1984 Internship, Internal Medicine Dartmouth-Hitchcock Medical Center, Hanover, NH 1980-1981