Dr. Andrew M. Cohen joined Nevada Radiation Oncology Centers in 1997, now known as Comprehensive Cancer Centers of Nevada. Dr. Cohen is certified in CyberKnife for Stereotactic Radiosurgery and Stereotactic Body Radiation therapy and was the first physician to use this technology for the treatment of prostate cancer in Southern Nevada. He initiated the prostate brachytherapy programs at Summerlin Hospital, Spring Valley Hospital and Desert Springs Hospital.