Dr. Johnson is a graduate of Carleton College and of the Yale Medical School. He completed his internship and residency in psychiatry at the University of Colorado Health Sciences Center. He obtained a fellowship in anxiety disorders at the Medical University of South Carolina. He is board certified in psychiatry by the American Board of Psychiatry and Neurology.
Dr. Johnson has wide-ranging expertise concerning the effects on brain chemistry of medications used to treat psychiatric disorders. He is the recipient of various academic and teaching awards and is the author of many articles in scientific and scholarly publications.
Dr. Johnson has served as principal investigator and sub-investigator for numerous and varied clinical research studies.