Patient satisfaction ratings and reviews are based on personal opinions. Before you choose any doctor you should take into account their background, training, specialized experience AND their patient satisfaction to ensure they are the right fit for you.
Dr. Tim Grennan, MD is an oncology doctor who practices in Marysville, CA. He is 67 years old and has been practicing for 41 years. Dr. Grennan is affiliated with Kaiser Permanente Sacramento Medical Center.