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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- Experienced
- Actinic KeratosisDr. Johnston isExperienced. Learn about Actinic Keratosis.
- Autoerythrocyte SensitivityDr. Johnston isExperienced. Learn about Autoerythrocyte Sensitivity.
- Basal Cell Skin CancerDr. Johnston isExperienced. Learn about Basal Cell Skin Cancer.
- Cerebral Cavernous MalformationDr. Johnston isExperienced. Learn about Cerebral Cavernous Malformation.
- Cherry AngiomaDr. Johnston isExperienced. Learn about Cherry Angioma.
- Contact DermatitisDr. Johnston isExperienced. Learn about Contact Dermatitis.
- Epidermodysplasia VerruciformisDr. Johnston isExperienced. Learn about Epidermodysplasia Verruciformis.
- Extramammary Paget DiseaseDr. Johnston isExperienced. Learn about Extramammary Paget Disease.
- Fetal Cystic HygromaDr. Johnston isExperienced. Learn about Fetal Cystic Hygroma.
- Gardner-Diamond SyndromeDr. Johnston isExperienced. Learn about Gardner-Diamond Syndrome.
- HemangioendotheliomaDr. Johnston isExperienced. Learn about Hemangioendothelioma.
- HemangiomaDr. Johnston isExperienced. Learn about Hemangioma.
- Kaposiform HemangioendotheliomaDr. Johnston isExperienced. Learn about Kaposiform Hemangioendothelioma.
- Lichen Simplex ChronicusDr. Johnston isExperienced. Learn about Lichen Simplex Chronicus.
- Liver SpotsDr. Johnston isExperienced. Learn about Liver Spots.
- Multiple Familial TrichoepitheliomaDr. Johnston isExperienced. Learn about Multiple Familial Trichoepithelioma.
- Mycosis FungoidesDr. Johnston isExperienced. Learn about Mycosis Fungoides.
- Plaque PsoriasisDr. Johnston isExperienced. Learn about Plaque Psoriasis.
- Prurigo NodularisDr. Johnston isExperienced. Learn about Prurigo Nodularis.
- PsoriasisDr. Johnston isExperienced. Learn about Psoriasis.
- PurpuraDr. Johnston isExperienced. Learn about Purpura.
- RosaceaDr. Johnston isExperienced. Learn about Rosacea.
- Sebaceous AdenomaDr. Johnston isExperienced. Learn about Sebaceous Adenoma.
- Seborrheic KeratosisDr. Johnston isExperienced. Learn about Seborrheic Keratosis.
- Squamous Cell Skin CarcinomaDr. Johnston isExperienced. Learn about Squamous Cell Skin Carcinoma.
- SunburnDr. Johnston isExperienced. Learn about Sunburn.
- Syringocystadenoma PapilliferumDr. Johnston isExperienced. Learn about Syringocystadenoma Papilliferum.
- SyringomaDr. Johnston isExperienced. Learn about Syringoma.
- TrichoepitheliomaDr. Johnston isExperienced. Learn about Trichoepithelioma.
- Tufted AngiomaDr. Johnston isExperienced. Learn about Tufted Angioma.
- Universal Acquired MelanosisDr. Johnston isExperienced. Learn about Universal Acquired Melanosis.
- WartsDr. Johnston isExperienced. Learn about Warts.
View All 32 Experienced Conditions
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