Dr. Richard Cohen is a reputed oncologist in San Francisco, California. He graduated from State University of New York, Downstate Medical College of Medicine. The residency has been done in Letterman Army Medical Center .Dr. Cohen’s main specialty is medical oncology and he is in practice for more than 20 years. He is affiliated with California Pacific Medical Center, from San Francisco, California. The American Board of Internal Medicine certified Dr. Cohen in medical oncology and internal medicine. D. Cohen got an award as outstanding specialist in breast cancer, in Bay Area, from Marin Breast Cancer Watch Awards Celebration, in 2006.