About Peter Webb, MD, PhD
Dr. Webb is a board-certified dermatologist who trained at the University of California in San Francisco in dermatology. He specializes in medical, cosmetic and surgical dermatology including Mohs surgery. Prior to medical school, he attended Princeton University where he earned a PhD in biochemistry. He has practiced dermatology in San Mateo for many years, and joined CSI in 2014. He trained his daughter Hilary Johnston, PA-C, who also practices at CSI in San Mateo.