San Mateo County Physicians The radiologists at California Advanced Imaging Medical Associates are a group of board certified radiologists who are committed to providing high quality diagnostic services to our patients. Our radiologists have been trained and have practiced at leading institutions across the United States. The entire staff at CAIMA takes pride in its expertise and professionalism, and providing superior quality service to our patients. Stephen I. Abedon, M.D. Avanti Ambekar, M.D. Shalin Amin, M.D. Diana B. Baker, M.D. Hariett B. Borofsky, M.D. Kelly C. Broderick, M.D. Vincent D. Burke, M.D. Jana Crain, M.D. Thomas H. Farquhar, M.D. Michael D. Hollett, M.D. Brian L. Johnson, M.D. Carl Kim, M.D. Michael C. Lai, M.D. Arthur E. Li, M.D. Gregory M. Lim, M.D. David S. Marcus, M.D. Kathleen M. McKenna, M.D. Clay H. Napper, Jr., M.D. Mark N. Pederson, M.D. Dora Sellami, M.D. William M. Stephenson, M.D. Richard L. Wheat, M.D. John S. Wilson, Jr., M.D. Christopher J. Yoo, M.D.