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 Mr. Johnston's expertise for a condition
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- Distinguished
- Drug Induced DyskinesiaMr. Johnston isDistinguished. Learn about Drug Induced Dyskinesia.
- Movement DisordersMr. Johnston isDistinguished. Learn about Movement Disorders.
- Neurotoxicity SyndromesMr. Johnston isDistinguished. Learn about Neurotoxicity Syndromes.
- Parkinson's DiseaseMr. Johnston isDistinguished. Learn about Parkinson's Disease.
- Secondary ParkinsonismMr. Johnston isDistinguished. Learn about Secondary Parkinsonism.
- Experienced
- Familial Colorectal CancerMr. Johnston isExperienced. Learn about Familial Colorectal Cancer.
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