Dr. Johnston graduated from the Loma Linda University School of Medicine in 1988. She works in SAN BERNARDINO, CA and specializes in Public Health & General Preventive Medicine and Family Medicine.
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Dr. Johnston graduated from the Loma Linda University School of Medicine in 1988. She works in SAN BERNARDINO, CA and specializes in Public Health & General Preventive Medicine and Family Medicine.
MEDICAL SCHOOL
Loma Linda University School Of Medicine - 1988