Dr. Guzman graduated with a degree in biology and chemistry from the University of San Diego in California. While studying at the University of San Diego, he received an honorable research grant in which he studied enzyme catalysis. He went on to study autoimmune brain damage in a molecular biology lab at the CDC in West Virginia. He then studied at the University of Utah, School of Medicine and received his medical degree there. He went on to complete his residency in family medicine at the University of California-San Francisco in Fresno as a co-chief resident.