Dr. Johnston graduated from the Oklahoma State Univ Center For Health Sciences College of Osteopathic Med in 2015. He works in Ames, IA and 1 other location and specializes in Internal Medicine and Gastroenterology.
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Dr. Johnston graduated from the Oklahoma State Univ Center For Health Sciences College of Osteopathic Med in 2015. He works in Ames, IA and 1 other location and specializes in Internal Medicine and Gastroenterology.
MEDICAL SCHOOL
Oklahoma State Univ Center For Health Sciences College Of Osteopathic Med - 2015
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