Dr. Sidney Marvin Crain, MD

Dr. Sidney Crain is an oncologist and internal medicine physician with nearly five decades of medical experience. He earned his medical degree from the University of Illinois at Chicago College of Medicine and completed his residency through the U.S. Department of Veterans Affairs. His dual specialty training allows him to provide comprehensive cancer care while addressing the broader medical needs that often accompany oncological treatment.

Dr. Crain practices at locations in Merced, California, including the Merced Cancer Center and Mercy Medical Center. He maintains hospital affiliations with Mercy Medical Center Redding, Adventist Health Saint Helena, and Mercy Medical Center. His clinical expertise includes treating iron deficiency anemia and breast cancer, along with managing anemia caused by heavy bleeding. He performs various therapeutic procedures such as infusion therapy and administers treatments using autoinjectors and insulin pens to support patient care.