Benjamin is a former associate dean for rural health at the College of Medicine at the University of South Alabama, where she administered the Alabama AHEC program and previously directed its Telemedicine Program. She served as the president of the Medical Association of the State of Alabama (MASA) in 2002. In 1995, she was elected to the Board of Trustees of the American Medical Association, making her both the first physician under age 40 and the first African-American woman to be elected.