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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- Distinguished
- Crohn's DiseaseDr. Johnson isDistinguished. Learn about Crohn's Disease.
- Advanced
- Benign Esophageal StrictureDr. Johnson isAdvanced. Learn about Benign Esophageal Stricture.
- Collagenous ColitisDr. Johnson isAdvanced. Learn about Collagenous Colitis.
- DiarrheaDr. Johnson isAdvanced. Learn about Diarrhea.
- EndoscopyDr. Johnson isAdvanced. Learn about Endoscopy.
- Familial Adenomatous PolyposisDr. Johnson isAdvanced. Learn about Familial Adenomatous Polyposis.
- Gardner SyndromeDr. Johnson isAdvanced. Learn about Gardner Syndrome.
- Lower Esophageal RingDr. Johnson isAdvanced. Learn about Lower Esophageal Ring.
- Painful SwallowingDr. Johnson isAdvanced. Learn about Painful Swallowing.
- Swallowing DifficultyDr. Johnson isAdvanced. Learn about Swallowing Difficulty.
- Trichohepatoenteric SyndromeDr. Johnson isAdvanced. Learn about Trichohepatoenteric Syndrome.
- Turcot SyndromeDr. Johnson isAdvanced. Learn about Turcot Syndrome.
- Ulcerative ColitisDr. Johnson isAdvanced. Learn about Ulcerative Colitis.
View All 12 Advanced Conditions
- Experienced
- AchalasiaDr. Johnson isExperienced. Learn about Achalasia.
- Alcoholic CirrhosisDr. Johnson isExperienced. Learn about Alcoholic Cirrhosis.
- AnemiaDr. Johnson isExperienced. Learn about Anemia.
- Angiodysplasia of the ColonDr. Johnson isExperienced. Learn about Angiodysplasia of the Colon.
- AscitesDr. Johnson isExperienced. Learn about Ascites.
- Autoimmune HepatitisDr. Johnson isExperienced. Learn about Autoimmune Hepatitis.
- Bacterial GastroenteritisDr. Johnson isExperienced. Learn about Bacterial Gastroenteritis.
- Banti's SyndromeDr. Johnson isExperienced. Learn about Banti's Syndrome.
- Barrett EsophagusDr. Johnson isExperienced. Learn about Barrett Esophagus.
- Berdon SyndromeDr. Johnson isExperienced. Learn about Berdon Syndrome.
- Bowel IncontinenceDr. Johnson isExperienced. Learn about Bowel Incontinence.
- Childhood VolvulusDr. Johnson isExperienced. Learn about Childhood Volvulus.
- Chronic Erosive GastritisDr. Johnson isExperienced. Learn about Chronic Erosive Gastritis.
- Chronic Idiopathic Constipation (CIC)Dr. Johnson isExperienced. Learn about Chronic Idiopathic Constipation (CIC).
- CirrhosisDr. Johnson isExperienced. Learn about Cirrhosis.
- ColitisDr. Johnson isExperienced. Learn about Colitis.
- Colonic MalakoplakiaDr. Johnson isExperienced. Learn about Colonic Malakoplakia.
- ColonoscopyDr. Johnson isExperienced. Learn about Colonoscopy.
- Colorectal CancerDr. Johnson isExperienced. Learn about Colorectal Cancer.
- Congenital Diaphragmatic HerniaDr. Johnson isExperienced. Learn about Congenital Diaphragmatic Hernia.
- Diverticular DiseaseDr. Johnson isExperienced. Learn about Diverticular Disease.
- EncopresisDr. Johnson isExperienced. Learn about Encopresis.
- Enlarged LiverDr. Johnson isExperienced. Learn about Enlarged Liver.
- Eosinophilic EsophagitisDr. Johnson isExperienced. Learn about Eosinophilic Esophagitis.
- Esophageal VaricesDr. Johnson isExperienced. Learn about Esophageal Varices.
- EsophagitisDr. Johnson isExperienced. Learn about Esophagitis.
- Familial Colorectal CancerDr. Johnson isExperienced. Learn about Familial Colorectal Cancer.
- Gas Bloat SyndromeDr. Johnson isExperienced. Learn about Gas Bloat Syndrome.
- GastrectomyDr. Johnson isExperienced. Learn about Gastrectomy.
- Gastric DysmotilityDr. Johnson isExperienced. Learn about Gastric Dysmotility.
- GastritisDr. Johnson isExperienced. Learn about Gastritis.
- Gastroesophageal Junction CancerDr. Johnson isExperienced. Learn about Gastroesophageal Junction Cancer.
- Gastroesophageal Reflux Disease (GERD)Dr. Johnson isExperienced. Learn about Gastroesophageal Reflux Disease (GERD).
- Gastrointestinal BleedingDr. Johnson isExperienced. Learn about Gastrointestinal Bleeding.
- GastroparesisDr. Johnson isExperienced. Learn about Gastroparesis.
- HeartburnDr. Johnson isExperienced. Learn about Heartburn.
- Hemorrhagic ProctocolitisDr. Johnson isExperienced. Learn about Hemorrhagic Proctocolitis.
- HepatitisDr. Johnson isExperienced. Learn about Hepatitis.
- Hepatitis CDr. Johnson isExperienced. Learn about Hepatitis C.
- Hiatal HerniaDr. Johnson isExperienced. Learn about Hiatal Hernia.
- IndigestionDr. Johnson isExperienced. Learn about Indigestion.
- Intestinal CancerDr. Johnson isExperienced. Learn about Intestinal Cancer.
- Lymphocytic ColitisDr. Johnson isExperienced. Learn about Lymphocytic Colitis.
- MacroamylasemiaDr. Johnson isExperienced. Learn about Macroamylasemia.
- Mallory-Weiss SyndromeDr. Johnson isExperienced. Learn about Mallory-Weiss Syndrome.
- Morning SicknessDr. Johnson isExperienced. Learn about Morning Sickness.
- Portal HypertensionDr. Johnson isExperienced. Learn about Portal Hypertension.
- Primary Biliary CholangitisDr. Johnson isExperienced. Learn about Primary Biliary Cholangitis.
- ProctitisDr. Johnson isExperienced. Learn about Proctitis.
- Reynolds SyndromeDr. Johnson isExperienced. Learn about Reynolds Syndrome.
- Sclerosing MesenteritisDr. Johnson isExperienced. Learn about Sclerosing Mesenteritis.
- TenesmusDr. Johnson isExperienced. Learn about Tenesmus.
- Viral GastroenteritisDr. Johnson isExperienced. Learn about Viral Gastroenteritis.
- VisceromegalyDr. Johnson isExperienced. Learn about Visceromegaly.
View All 54 Experienced Conditions
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