Dr. Johnston graduated from the Duke University School of Medicine in 1977. He works in BOSTON, MA and specializes in Critical Care Medicine and Endocrinology, Diabetes & Metabolism.
View More
Dr. Johnston graduated from the Duke University School of Medicine in 1977. He works in BOSTON, MA and specializes in Critical Care Medicine and Endocrinology, Diabetes & Metabolism.
MEDICAL SCHOOL
Duke University School Of Medicine - 1977