Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
Find Dr. Johnston's expertise for a condition
ConditionClose
- Advanced
- Chronic CoughDr. Johnston isAdvanced. Learn about Chronic Cough.
- Experienced
- Acute PancreatitisDr. Johnston isExperienced. Learn about Acute Pancreatitis.
- Alcoholic CirrhosisDr. Johnston isExperienced. Learn about Alcoholic Cirrhosis.
- ApoplexyDr. Johnston isExperienced. Learn about Apoplexy.
- AsthmaDr. Johnston isExperienced. Learn about Asthma.
- Asthma in ChildrenDr. Johnston isExperienced. Learn about Asthma in Children.
- Atypical PneumoniaDr. Johnston isExperienced. Learn about Atypical Pneumonia.
View All 76 Experienced Conditions
Want to save this doctor for later?
Is this your doctor?
Not sure about your diagnosis?
Are you the provider on this profile?