
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. Johnson's expertise for a condition
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- Advanced
- Acute Coronary SyndromeDr. Johnson isAdvanced. Learn about Acute Coronary Syndrome.
- AnemiaDr. Johnson isAdvanced. Learn about Anemia.
- Autoerythrocyte SensitivityDr. Johnson isAdvanced. Learn about Autoerythrocyte Sensitivity.
- Breast CancerDr. Johnson isAdvanced. Learn about Breast Cancer.
- Chronic Obstructive Pulmonary Disease (COPD)
- Congenital Hemolytic AnemiaDr. Johnson isAdvanced. Learn about Congenital Hemolytic Anemia.
- DysgraphiaDr. Johnson isAdvanced. Learn about Dysgraphia.
- Familial HypertensionDr. Johnson isAdvanced. Learn about Familial Hypertension.
- Folate DeficiencyDr. Johnson isAdvanced. Learn about Folate Deficiency.
- Gardner-Diamond SyndromeDr. Johnson isAdvanced. Learn about Gardner-Diamond Syndrome.
- Gastroesophageal Reflux Disease (GERD)
- Glucocorticoid-Remediable Aldosteronism
- Hemolytic AnemiaDr. Johnson isAdvanced. Learn about Hemolytic Anemia.
- Hemolytic CrisisDr. Johnson isAdvanced. Learn about Hemolytic Crisis.
- High CholesterolDr. Johnson isAdvanced. Learn about High Cholesterol.
- HypertensionDr. Johnson isAdvanced. Learn about Hypertension.
- Multiple Carboxylase DeficiencyDr. Johnson isAdvanced. Learn about Multiple Carboxylase Deficiency.
- Osteomyelitis in ChildrenDr. Johnson isAdvanced. Learn about Osteomyelitis in Children.
- PellagraDr. Johnson isAdvanced. Learn about Pellagra.
- PurpuraDr. Johnson isAdvanced. Learn about Purpura.
- Subacute Combined DegenerationDr. Johnson isAdvanced. Learn about Subacute Combined Degeneration.
- Type 2 Diabetes (T2D)Dr. Johnson isAdvanced. Learn about Type 2 Diabetes (T2D).
- Vitamin B12 Deficiency AnemiaDr. Johnson isAdvanced. Learn about Vitamin B12 Deficiency Anemia.
- Vitamin D DeficiencyDr. Johnson isAdvanced. Learn about Vitamin D Deficiency.
View All 24 Advanced Conditions
- Experienced
- AbetalipoproteinemiaDr. Johnson isExperienced. Learn about Abetalipoproteinemia.
- Acquired AgranulocytosisDr. Johnson isExperienced. Learn about Acquired Agranulocytosis.
- Acute CystitisDr. Johnson isExperienced. Learn about Acute Cystitis.
- Acute Kidney FailureDr. Johnson isExperienced. Learn about Acute Kidney Failure.
- Apo A-I DeficiencyDr. Johnson isExperienced. Learn about Apo A-I Deficiency.
- ApoplexyDr. Johnson isExperienced. Learn about Apoplexy.
- Arginase DeficiencyDr. Johnson isExperienced. Learn about Arginase Deficiency.
- AsthmaDr. Johnson isExperienced. Learn about Asthma.
- Asthma in ChildrenDr. Johnson isExperienced. Learn about Asthma in Children.
- AtherosclerosisDr. Johnson isExperienced. Learn about Atherosclerosis.
- Atrial TachycardiaDr. Johnson isExperienced. Learn about Atrial Tachycardia.
- Atrioventricular Nodal Reentrant Tachycardia (AVNRT)
- Autosomal Dominant HypocalcemiaDr. Johnson isExperienced. Learn about Autosomal Dominant Hypocalcemia.
- Bernard-Soulier SyndromeDr. Johnson isExperienced. Learn about Bernard-Soulier Syndrome.
- BullaeDr. Johnson isExperienced. Learn about Bullae.
- Carbamoyl Phosphate Synthetase 1 Deficiency
- CellulitisDr. Johnson isExperienced. Learn about Cellulitis.
- Cerebral PalsyDr. Johnson isExperienced. Learn about Cerebral Palsy.
- Childhood Iron Deficiency AnemiaDr. Johnson isExperienced. Learn about Childhood Iron Deficiency Anemia.
- Chorea-AcanthocytosisDr. Johnson isExperienced. Learn about Chorea-Acanthocytosis.
- Chronic Kidney DiseaseDr. Johnson isExperienced. Learn about Chronic Kidney Disease.
- Chronic PainDr. Johnson isExperienced. Learn about Chronic Pain.
- CirrhosisDr. Johnson isExperienced. Learn about Cirrhosis.
- Congenital Antithrombin 3 DeficiencyDr. Johnson isExperienced. Learn about Congenital Antithrombin 3 Deficiency.
- Coronary Heart DiseaseDr. Johnson isExperienced. Learn about Coronary Heart Disease.
- COVID-19Dr. Johnson isExperienced. Learn about COVID-19.
- Deep Vein ThrombosisDr. Johnson isExperienced. Learn about Deep Vein Thrombosis.
- DementiaDr. Johnson isExperienced. Learn about Dementia.
- Diabetic NephropathyDr. Johnson isExperienced. Learn about Diabetic Nephropathy.
- Diabetic NeuropathyDr. Johnson isExperienced. Learn about Diabetic Neuropathy.
- DiarrheaDr. Johnson isExperienced. Learn about Diarrhea.
- EmphysemaDr. Johnson isExperienced. Learn about Emphysema.
- Enlarged LiverDr. Johnson isExperienced. Learn about Enlarged Liver.
- Enlarged Prostate (BPH)Dr. Johnson isExperienced. Learn about Enlarged Prostate (BPH).
- Epilepsy in ChildrenDr. Johnson isExperienced. Learn about Epilepsy in Children.
- Epilepsy with Myoclonic-Atonic SeizuresDr. Johnson isExperienced. Learn about Epilepsy with Myoclonic-Atonic Seizures.
- FaintingDr. Johnson isExperienced. Learn about Fainting.
- Familial HDL DeficiencyDr. Johnson isExperienced. Learn about Familial HDL Deficiency.
- Familial HypertriglyceridemiaDr. Johnson isExperienced. Learn about Familial Hypertriglyceridemia.
- Familial HypobetalipoproteinemiaDr. Johnson isExperienced. Learn about Familial Hypobetalipoproteinemia.
- Fish-Eye DiseaseDr. Johnson isExperienced. Learn about Fish-Eye Disease.
- Gastrointestinal BleedingDr. Johnson isExperienced. Learn about Gastrointestinal Bleeding.
- Generalized Anxiety Disorder (GAD)Dr. Johnson isExperienced. Learn about Generalized Anxiety Disorder (GAD).
- Gitelman SyndromeDr. Johnson isExperienced. Learn about Gitelman Syndrome.
- Glanzmann ThrombastheniaDr. Johnson isExperienced. Learn about Glanzmann Thrombasthenia.
- GoutDr. Johnson isExperienced. Learn about Gout.
- Gray Platelet SyndromeDr. Johnson isExperienced. Learn about Gray Platelet Syndrome.
- Heart AttackDr. Johnson isExperienced. Learn about Heart Attack.
- Heart FailureDr. Johnson isExperienced. Learn about Heart Failure.
- Heart Failure with Preserved Ejection Fraction (HFpEF)
- Hereditary Resistance to Anti-Vitamin KDr. Johnson isExperienced. Learn about Hereditary Resistance to Anti-Vitamin K.
- High Potassium LevelDr. Johnson isExperienced. Learn about High Potassium Level.
- Hypervitaminosis DDr. Johnson isExperienced. Learn about Hypervitaminosis D.
- HypolipoproteinemiaDr. Johnson isExperienced. Learn about Hypolipoproteinemia.
- HypothyroidismDr. Johnson isExperienced. Learn about Hypothyroidism.
- Idiopathic EdemaDr. Johnson isExperienced. Learn about Idiopathic Edema.
- Inborn Amino Acid Metabolism DisorderDr. Johnson isExperienced. Learn about Inborn Amino Acid Metabolism Disorder.
- IndigestionDr. Johnson isExperienced. Learn about Indigestion.
- Infant Epilepsy with Migrant Focal CrisisDr. Johnson isExperienced. Learn about Infant Epilepsy with Migrant Focal Crisis.
- InsomniaDr. Johnson isExperienced. Learn about Insomnia.
- Invertebral Disc DiseaseDr. Johnson isExperienced. Learn about Invertebral Disc Disease.
- Iron Deficiency AnemiaDr. Johnson isExperienced. Learn about Iron Deficiency Anemia.
- Irritable Bowel Syndrome (IBS)Dr. Johnson isExperienced. Learn about Irritable Bowel Syndrome (IBS).
- Juvenile Primary OsteoporosisDr. Johnson isExperienced. Learn about Juvenile Primary Osteoporosis.
- Long Haul COVIDDr. Johnson isExperienced. Learn about Long Haul COVID.
- Low Blood PressureDr. Johnson isExperienced. Learn about Low Blood Pressure.
- Low Potassium LevelDr. Johnson isExperienced. Learn about Low Potassium Level.
- Low Sodium LevelDr. Johnson isExperienced. Learn about Low Sodium Level.
- Lung MetastasesDr. Johnson isExperienced. Learn about Lung Metastases.
- Lung NodulesDr. Johnson isExperienced. Learn about Lung Nodules.
- LymphangitisDr. Johnson isExperienced. Learn about Lymphangitis.
- MacroamylasemiaDr. Johnson isExperienced. Learn about Macroamylasemia.
- Magnesium DeficiencyDr. Johnson isExperienced. Learn about Magnesium Deficiency.
- Maturity Onset Diabetes of the YoungDr. Johnson isExperienced. Learn about Maturity Onset Diabetes of the Young.
- MelorheostosisDr. Johnson isExperienced. Learn about Melorheostosis.
- Melorheostosis with OsteopoikilosisDr. Johnson isExperienced. Learn about Melorheostosis with Osteopoikilosis.
- Memory LossDr. Johnson isExperienced. Learn about Memory Loss.
- Metabolic SyndromeDr. Johnson isExperienced. Learn about Metabolic Syndrome.
- Multisystem Inflammatory Syndrome in Children (MIS-C)
- Myoclonic EpilepsyDr. Johnson isExperienced. Learn about Myoclonic Epilepsy.
- N-Acetylglutamate Synthase DeficiencyDr. Johnson isExperienced. Learn about N-Acetylglutamate Synthase Deficiency.
- NecrosisDr. Johnson isExperienced. Learn about Necrosis.
- ObesityDr. Johnson isExperienced. Learn about Obesity.
- Obesity in ChildrenDr. Johnson isExperienced. Learn about Obesity in Children.
- Opioid Use DisorderDr. Johnson isExperienced. Learn about Opioid Use Disorder.
- Orthostatic HypotensionDr. Johnson isExperienced. Learn about Orthostatic Hypotension.
- OsteoarthritisDr. Johnson isExperienced. Learn about Osteoarthritis.
- OsteopeniaDr. Johnson isExperienced. Learn about Osteopenia.
- OsteoporosisDr. Johnson isExperienced. Learn about Osteoporosis.
- Painful SwallowingDr. Johnson isExperienced. Learn about Painful Swallowing.
- Paroxysmal Supraventricular Tachycardia (PSVT)
- Peptic UlcerDr. Johnson isExperienced. Learn about Peptic Ulcer.
- PericarditisDr. Johnson isExperienced. Learn about Pericarditis.
- Peripheral Artery DiseaseDr. Johnson isExperienced. Learn about Peripheral Artery Disease.
- Peripheral NeuropathyDr. Johnson isExperienced. Learn about Peripheral Neuropathy.
- Platelet Storage Pool DeficiencyDr. Johnson isExperienced. Learn about Platelet Storage Pool Deficiency.
- PneumoniaDr. Johnson isExperienced. Learn about Pneumonia.
- Polymyalgia RheumaticaDr. Johnson isExperienced. Learn about Polymyalgia Rheumatica.
- Post Polio SyndromeDr. Johnson isExperienced. Learn about Post Polio Syndrome.
- Postmenopausal OsteoporosisDr. Johnson isExperienced. Learn about Postmenopausal Osteoporosis.
- Poststreptococcal GlomerulonephritisDr. Johnson isExperienced. Learn about Poststreptococcal Glomerulonephritis.
- Primary Immunodeficiency (PID)Dr. Johnson isExperienced. Learn about Primary Immunodeficiency (PID).
- Protein C DeficiencyDr. Johnson isExperienced. Learn about Protein C Deficiency.
- Protein S DeficiencyDr. Johnson isExperienced. Learn about Protein S Deficiency.
- Pulmonary EdemaDr. Johnson isExperienced. Learn about Pulmonary Edema.
- Pulmonary EmbolismDr. Johnson isExperienced. Learn about Pulmonary Embolism.
- Pulmonary HypertensionDr. Johnson isExperienced. Learn about Pulmonary Hypertension.
- Pulmonary Veno-Occlusive DiseaseDr. Johnson isExperienced. Learn about Pulmonary Veno-Occlusive Disease.
- Pyridoxine DeficiencyDr. Johnson isExperienced. Learn about Pyridoxine Deficiency.
- Restless Legs SyndromeDr. Johnson isExperienced. Learn about Restless Legs Syndrome.
- Rhizomelic PseudopolyarthritisDr. Johnson isExperienced. Learn about Rhizomelic Pseudopolyarthritis.
- Seasonal Affective Disorder (SAD)Dr. Johnson isExperienced. Learn about Seasonal Affective Disorder (SAD).
- SitosterolemiaDr. Johnson isExperienced. Learn about Sitosterolemia.
- Stable AnginaDr. Johnson isExperienced. Learn about Stable Angina.
- Swallowing DifficultyDr. Johnson isExperienced. Learn about Swallowing Difficulty.
- Tangier DiseaseDr. Johnson isExperienced. Learn about Tangier Disease.
- TenosynovitisDr. Johnson isExperienced. Learn about Tenosynovitis.
- ThrombocytopeniaDr. Johnson isExperienced. Learn about Thrombocytopenia.
- Trichohepatoenteric SyndromeDr. Johnson isExperienced. Learn about Trichohepatoenteric Syndrome.
- Urea Cycle Disorders (UCD)Dr. Johnson isExperienced. Learn about Urea Cycle Disorders (UCD).
- Urinary Tract Infection (UTI)Dr. Johnson isExperienced. Learn about Urinary Tract Infection (UTI).
- Urinary Tract Infection in ChildrenDr. Johnson isExperienced. Learn about Urinary Tract Infection in Children.
- Vascular DementiaDr. Johnson isExperienced. Learn about Vascular Dementia.
- Venous Thromboembolism (VTE)Dr. Johnson isExperienced. Learn about Venous Thromboembolism (VTE).
- VertigoDr. Johnson isExperienced. Learn about Vertigo.
- VisceromegalyDr. Johnson isExperienced. Learn about Visceromegaly.
- Vitamin B12 DeficiencyDr. Johnson isExperienced. Learn about Vitamin B12 Deficiency.
- West SyndromeDr. Johnson isExperienced. Learn about West Syndrome.
View All 128 Experienced Conditions
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