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
ConditionClose
- Distinguished
- Partial SeizureDr. Johnston isDistinguished. Learn about Partial Seizure.
- Advanced
- Autosomal Dominant Partial Epilepsy with Auditory Features
- Cerebellar DegenerationDr. Johnston isAdvanced. Learn about Cerebellar Degeneration.
- Essential TremorDr. Johnston isAdvanced. Learn about Essential Tremor.
- Memory LossDr. Johnston isAdvanced. Learn about Memory Loss.
- MigraineDr. Johnston isAdvanced. Learn about Migraine.
- Migraine with Brainstem AuraDr. Johnston isAdvanced. Learn about Migraine with Brainstem Aura.
- Movement DisordersDr. Johnston isAdvanced. Learn about Movement Disorders.
- Multiple Sclerosis (MS)Dr. Johnston isAdvanced. Learn about Multiple Sclerosis (MS).
- Myasthenia GravisDr. Johnston isAdvanced. Learn about Myasthenia Gravis.
- Opsoclonus-Myoclonus SyndromeDr. Johnston isAdvanced. Learn about Opsoclonus-Myoclonus Syndrome.
- Parkinson's DiseaseDr. Johnston isAdvanced. Learn about Parkinson's Disease.
- Partial Familial EpilepsyDr. Johnston isAdvanced. Learn about Partial Familial Epilepsy.
- Relapsing Multiple Sclerosis (RMS)Dr. Johnston isAdvanced. Learn about Relapsing Multiple Sclerosis (RMS).
- Restless Legs SyndromeDr. Johnston isAdvanced. Learn about Restless Legs Syndrome.
- Secondary ParkinsonismDr. Johnston isAdvanced. Learn about Secondary Parkinsonism.
- SeizuresDr. Johnston isAdvanced. Learn about Seizures.
- Tension HeadacheDr. Johnston isAdvanced. Learn about Tension Headache.
View All 17 Advanced Conditions
- Experienced
- Alcoholic NeuropathyDr. Johnston isExperienced. Learn about Alcoholic Neuropathy.
- Alzheimer's DiseaseDr. Johnston isExperienced. Learn about Alzheimer's Disease.
- AstrocytomaDr. Johnston isExperienced. Learn about Astrocytoma.
- Atypical Teratoid Rhabdoid Tumor (ATRT)Dr. Johnston isExperienced. Learn about Atypical Teratoid Rhabdoid Tumor (ATRT).
- Bell's PalsyDr. Johnston isExperienced. Learn about Bell's Palsy.
- Benign Essential BlepharospasmDr. Johnston isExperienced. Learn about Benign Essential Blepharospasm.
- Benign Rolandic EpilepsyDr. Johnston isExperienced. Learn about Benign Rolandic Epilepsy.
- Brain AneurysmDr. Johnston isExperienced. Learn about Brain Aneurysm.
- Brain TumorDr. Johnston isExperienced. Learn about Brain Tumor.
- Burning Mouth SyndromeDr. Johnston isExperienced. Learn about Burning Mouth Syndrome.
- CamptocormismDr. Johnston isExperienced. Learn about Camptocormism.
- Cardiac AmyloidosisDr. Johnston isExperienced. Learn about Cardiac Amyloidosis.
- Cerebral Amyloid AngiopathyDr. Johnston isExperienced. Learn about Cerebral Amyloid Angiopathy.
- Cerebral PalsyDr. Johnston isExperienced. Learn about Cerebral Palsy.
- Cervical MyelopathyDr. Johnston isExperienced. Learn about Cervical Myelopathy.
- Charles Bonnet SyndromeDr. Johnston isExperienced. Learn about Charles Bonnet Syndrome.
- Chiari Malformation Type 2Dr. Johnston isExperienced. Learn about Chiari Malformation Type 2.
- ChoreaDr. Johnston isExperienced. Learn about Chorea.
- Cluster HeadacheDr. Johnston isExperienced. Learn about Cluster Headache.
- Common Peroneal Nerve DysfunctionDr. Johnston isExperienced. Learn about Common Peroneal Nerve Dysfunction.
- ConcussionDr. Johnston isExperienced. Learn about Concussion.
- Congenital Insensitivity to Pain with Anhidrosis
- Conversion DisorderDr. Johnston isExperienced. Learn about Conversion Disorder.
- Cramp-Fasciculation SyndromeDr. Johnston isExperienced. Learn about Cramp-Fasciculation Syndrome.
- DeliriumDr. Johnston isExperienced. Learn about Delirium.
- DementiaDr. Johnston isExperienced. Learn about Dementia.
- Donohue SyndromeDr. Johnston isExperienced. Learn about Donohue Syndrome.
- Dravet SyndromeDr. Johnston isExperienced. Learn about Dravet Syndrome.
- Drug Induced DyskinesiaDr. Johnston isExperienced. Learn about Drug Induced Dyskinesia.
- Dry MouthDr. Johnston isExperienced. Learn about Dry Mouth.
- DysarthriaDr. Johnston isExperienced. Learn about Dysarthria.
- DysgraphiaDr. Johnston isExperienced. Learn about Dysgraphia.
- Embryonal Tumor with Multilayered RosettesDr. Johnston isExperienced. Learn about Embryonal Tumor with Multilayered Rosettes.
- EpendymomaDr. Johnston isExperienced. Learn about Ependymoma.
- EpilepsyDr. Johnston isExperienced. Learn about Epilepsy.
- Epilepsy in ChildrenDr. Johnston isExperienced. Learn about Epilepsy in Children.
- Epilepsy with Myoclonic-Atonic SeizuresDr. Johnston isExperienced. Learn about Epilepsy with Myoclonic-Atonic Seizures.
- Facial ParalysisDr. Johnston isExperienced. Learn about Facial Paralysis.
- FaintingDr. Johnston isExperienced. Learn about Fainting.
- Familial Neurocardiogenic SyncopeDr. Johnston isExperienced. Learn about Familial Neurocardiogenic Syncope.
- Focal DystoniaDr. Johnston isExperienced. Learn about Focal Dystonia.
- Foot DropDr. Johnston isExperienced. Learn about Foot Drop.
- Generalized Tonic-Clonic SeizureDr. Johnston isExperienced. Learn about Generalized Tonic-Clonic Seizure.
- GlioblastomaDr. Johnston isExperienced. Learn about Glioblastoma.
- GliomaDr. Johnston isExperienced. Learn about Glioma.
- GliosarcomaDr. Johnston isExperienced. Learn about Gliosarcoma.
- GlossodyniaDr. Johnston isExperienced. Learn about Glossodynia.
- HeadacheDr. Johnston isExperienced. Learn about Headache.
- HemiplegiaDr. Johnston isExperienced. Learn about Hemiplegia.
- Hereditary AtaxiaDr. Johnston isExperienced. Learn about Hereditary Ataxia.
- Hereditary Cerebral Amyloid AngiopathyDr. Johnston isExperienced. Learn about Hereditary Cerebral Amyloid Angiopathy.
- Hereditary Sensory and Autonomic Neuropathy Type 2
- Increased Intracranial PressureDr. Johnston isExperienced. Learn about Increased Intracranial Pressure.
- Infant Epilepsy with Migrant Focal CrisisDr. Johnston isExperienced. Learn about Infant Epilepsy with Migrant Focal Crisis.
- Infantile Axonal NeuropathyDr. Johnston isExperienced. Learn about Infantile Axonal Neuropathy.
- InsomniaDr. Johnston isExperienced. Learn about Insomnia.
- Juvenile Myoclonic EpilepsyDr. Johnston isExperienced. Learn about Juvenile Myoclonic Epilepsy.
- Lafora DiseaseDr. Johnston isExperienced. Learn about Lafora Disease.
- Lewy Body Dementia (LBD)Dr. Johnston isExperienced. Learn about Lewy Body Dementia (LBD).
- Low Blood PressureDr. Johnston isExperienced. Learn about Low Blood Pressure.
- MeningiomaDr. Johnston isExperienced. Learn about Meningioma.
- MeningitisDr. Johnston isExperienced. Learn about Meningitis.
- Metastatic Brain TumorDr. Johnston isExperienced. Learn about Metastatic Brain Tumor.
- Moyamoya DiseaseDr. Johnston isExperienced. Learn about Moyamoya Disease.
- Myelin Oligodendrocyte Glycoprotein Antibody-Associated Disease
- Myoclonic EpilepsyDr. Johnston isExperienced. Learn about Myoclonic Epilepsy.
- NarcolepsyDr. Johnston isExperienced. Learn about Narcolepsy.
- NeuralgiaDr. Johnston isExperienced. Learn about Neuralgia.
- NeuroepitheliomaDr. Johnston isExperienced. Learn about Neuroepithelioma.
- New Daily Persistent Headache (NDPH)Dr. Johnston isExperienced. Learn about New Daily Persistent Headache (NDPH).
- OligodendrogliomaDr. Johnston isExperienced. Learn about Oligodendroglioma.
- Orthostatic HypotensionDr. Johnston isExperienced. Learn about Orthostatic Hypotension.
- Pediatric Low-Grade Glioma (pLGG)Dr. Johnston isExperienced. Learn about Pediatric Low-Grade Glioma (pLGG).
- Peripheral NeuropathyDr. Johnston isExperienced. Learn about Peripheral Neuropathy.
- Posterior Fossa TumorDr. Johnston isExperienced. Learn about Posterior Fossa Tumor.
- Primary Localized Cutaneous AmyloidosisDr. Johnston isExperienced. Learn about Primary Localized Cutaneous Amyloidosis.
- Primary Orthostatic TremorDr. Johnston isExperienced. Learn about Primary Orthostatic Tremor.
- Primitive Neuroectodermal Tumor (PNET)Dr. Johnston isExperienced. Learn about Primitive Neuroectodermal Tumor (PNET).
- Processing Deficient Progeroid Laminopathies (PDPL)
- ProgeriaDr. Johnston isExperienced. Learn about Progeria.
- Progressive Myoclonic EpilepsyDr. Johnston isExperienced. Learn about Progressive Myoclonic Epilepsy.
- Pseudobulbar AffectDr. Johnston isExperienced. Learn about Pseudobulbar Affect.
- Pseudotumor Cerebri SyndromeDr. Johnston isExperienced. Learn about Pseudotumor Cerebri Syndrome.
- PtosisDr. Johnston isExperienced. Learn about Ptosis.
- Recurrent Peripheral Facial PalsyDr. Johnston isExperienced. Learn about Recurrent Peripheral Facial Palsy.
- REM Behavior DisorderDr. Johnston isExperienced. Learn about REM Behavior Disorder.
- Spasmus NutansDr. Johnston isExperienced. Learn about Spasmus Nutans.
- SpasticityDr. Johnston isExperienced. Learn about Spasticity.
- Stereotypic Movement DisorderDr. Johnston isExperienced. Learn about Stereotypic Movement Disorder.
- Striatonigral Degeneration InfantileDr. Johnston isExperienced. Learn about Striatonigral Degeneration Infantile.
- StrokeDr. Johnston isExperienced. Learn about Stroke.
- Subacute Combined DegenerationDr. Johnston isExperienced. Learn about Subacute Combined Degeneration.
- Susac SyndromeDr. Johnston isExperienced. Learn about Susac Syndrome.
- SyringobulbiaDr. Johnston isExperienced. Learn about Syringobulbia.
- SyringomyeliaDr. Johnston isExperienced. Learn about Syringomyelia.
- Tourette SyndromeDr. Johnston isExperienced. Learn about Tourette Syndrome.
- Transient Global AmnesiaDr. Johnston isExperienced. Learn about Transient Global Amnesia.
- Transient Ischemic Attack (TIA)Dr. Johnston isExperienced. Learn about Transient Ischemic Attack (TIA).
- Trigeminal NeuralgiaDr. Johnston isExperienced. Learn about Trigeminal Neuralgia.
- Tuberous SclerosisDr. Johnston isExperienced. Learn about Tuberous Sclerosis.
- Tuberous Sclerosis ComplexDr. Johnston isExperienced. Learn about Tuberous Sclerosis Complex.
- Unverricht-Lundborg SyndromeDr. Johnston isExperienced. Learn about Unverricht-Lundborg Syndrome.
- Vascular DementiaDr. Johnston isExperienced. Learn about Vascular Dementia.
- Vertebral Artery DissectionDr. Johnston isExperienced. Learn about Vertebral Artery Dissection.
- VertigoDr. Johnston isExperienced. Learn about Vertigo.
- Vitamin B12 Deficiency AnemiaDr. Johnston isExperienced. Learn about Vitamin B12 Deficiency Anemia.
- Werner SyndromeDr. Johnston isExperienced. Learn about Werner Syndrome.
- West SyndromeDr. Johnston isExperienced. Learn about West Syndrome.
- Wiedemann-Rautenstrauch SyndromeDr. Johnston isExperienced. Learn about Wiedemann-Rautenstrauch Syndrome.
- Wolfram SyndromeDr. Johnston isExperienced. Learn about Wolfram Syndrome.
View All 110 Experienced Conditions
Want to save this doctor for later?
Is this your doctor?
Not sure about your diagnosis?
Are you the provider on this profile?