Doug Johnson was born and raised in Cedar Rapids, Iowa. He attended the University of Iowa and earned his Bachelor of Science degree in microbiology. After undergrad, he taught seventh grade science for two years in Boston. He then returned to the University of Iowa for dental school and earned his Doctor of Dental Surgery. Dr. Johnson moved to California and has been practicing with Dr. Dorfman since 2015. In addition to dentistry, Dr. Johnson loves screenwriting, traveling, and hiking.