PA Johnson graduated from Stanford University Physician Assistant Program with dual certification as a Family Nurse Practitioner and Physician Assistant. She completed her Masters in Physician Assistant Studies at University of Texas Pan American in Edinburg Texas and is nationally certified with the NCCPA. She has attended U.S. Air Force School of Aerospace Medicine at Brooks Air Force Base and received her Flight Nurse certification as well. She has recently retired from the Air Force after 20 years of honorable service. She is bilingual and speaks Spanish fluently. She joined the CTRC in August 2012 and works in Hematology and Gastroenterology clinics.