
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
- MelorheostosisDr. Johnston isAdvanced. Learn about Melorheostosis.
- Melorheostosis with OsteopoikilosisDr. Johnston isAdvanced. Learn about Melorheostosis with Osteopoikilosis.
- OsteopeniaDr. Johnston isAdvanced. Learn about Osteopenia.
- Postmenopausal OsteoporosisDr. Johnston isAdvanced. Learn about Postmenopausal Osteoporosis.
- Experienced
- ALK-Positive Non-Small Cell Lung CancerDr. Johnston isExperienced. Learn about ALK-Positive Non-Small Cell Lung Cancer.
- Chronic Rhinosinusitis with Nasal Polyps (CRSwNP)
- End-Stage Renal Disease (ESRD)Dr. Johnston isExperienced. Learn about End-Stage Renal Disease (ESRD).
- Familial Chronic Mucocutaneous CandidiasisDr. Johnston isExperienced. Learn about Familial Chronic Mucocutaneous Candidiasis.
- Hormone Replacement Therapy (HRT)Dr. Johnston isExperienced. Learn about Hormone Replacement Therapy (HRT).
- Liver FailureDr. Johnston isExperienced. Learn about Liver Failure.
View All 17 Experienced Conditions
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