Patients rated him highly, giving him an average of 4.0 stars out of 5. He is in-network for Anthem, Blue Cross/Blue Shield, Blue Shield, and more. Dr. Nathan attended medical school at Brown University, Alpert Medical School and the University of Pennsylvania School of Medicine. Dr. Nathan's residency was performed at Harbor-UCLA Medical Center. He has received professional recognition including the following: San Francisco Super Doctors. His professional affiliations include John Muir Medical Center, Concord, John Muir Medical Center, Walnut Creek, and John Muir Physician Network.