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
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- Advanced
- Familial HypertensionDr. Johnston isAdvanced. Learn about Familial Hypertension.
- Glucocorticoid-Remediable Aldosteronism
- HypertensionDr. Johnston isAdvanced. Learn about Hypertension.
- Maturity Onset Diabetes of the YoungDr. Johnston isAdvanced. Learn about Maturity Onset Diabetes of the Young.
- Type 2 Diabetes (T2D)Dr. Johnston isAdvanced. Learn about Type 2 Diabetes (T2D).
- Experienced
- AnemiaDr. Johnston isExperienced. Learn about Anemia.
- Asthma in ChildrenDr. Johnston isExperienced. Learn about Asthma in Children.
- AtherosclerosisDr. Johnston isExperienced. Learn about Atherosclerosis.
- CellulitisDr. Johnston isExperienced. Learn about Cellulitis.
- Chiari MalformationDr. Johnston isExperienced. Learn about Chiari Malformation.
- Chronic CoughDr. Johnston isExperienced. Learn about Chronic Cough.
View All 37 Experienced Conditions
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