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
- Loin Pain Hematuria SyndromeDr. Johnston isAdvanced. Learn about Loin Pain Hematuria Syndrome.
- Experienced
- BalanitisDr. Johnston isExperienced. Learn about Balanitis.
- Bilateral HydronephrosisDr. Johnston isExperienced. Learn about Bilateral Hydronephrosis.
- Congenital Giant MegaureterDr. Johnston isExperienced. Learn about Congenital Giant Megaureter.
- DiphalliaDr. Johnston isExperienced. Learn about Diphallia.
- EpididymitisDr. Johnston isExperienced. Learn about Epididymitis.
- Horseshoe KidneyDr. Johnston isExperienced. Learn about Horseshoe Kidney.
View All 16 Experienced Conditions
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