
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
- Neurogenic BowelDr. Johnston isAdvanced. Learn about Neurogenic Bowel.
- Undescended TesticleDr. Johnston isAdvanced. Learn about Undescended Testicle.
- Experienced
- Bilateral HydronephrosisDr. Johnston isExperienced. Learn about Bilateral Hydronephrosis.
- Bladder ReconstructionDr. Johnston isExperienced. Learn about Bladder Reconstruction.
- Bowel IncontinenceDr. Johnston isExperienced. Learn about Bowel Incontinence.
- Congenital Adrenal Hyperplasia (CAH)Dr. Johnston isExperienced. Learn about Congenital Adrenal Hyperplasia (CAH).
- DiphalliaDr. Johnston isExperienced. Learn about Diphallia.
- HydroceleDr. Johnston isExperienced. Learn about Hydrocele.
View All 21 Experienced Conditions
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