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. Hallman's expertise for a condition
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- Distinguished
- Gastric DysmotilityDr. Hallman isDistinguished. Learn about Gastric Dysmotility.
- Advanced
- Angiodysplasia of the ColonDr. Hallman isAdvanced. Learn about Angiodysplasia of the Colon.
- Chronic Erosive GastritisDr. Hallman isAdvanced. Learn about Chronic Erosive Gastritis.
- ColitisDr. Hallman isAdvanced. Learn about Colitis.
- Collagenous ColitisDr. Hallman isAdvanced. Learn about Collagenous Colitis.
- ColonoscopyDr. Hallman isAdvanced. Learn about Colonoscopy.
- Diverticular DiseaseDr. Hallman isAdvanced. Learn about Diverticular Disease.
- EndoscopyDr. Hallman isAdvanced. Learn about Endoscopy.
- Esophageal VaricesDr. Hallman isAdvanced. Learn about Esophageal Varices.
- Familial Adenomatous PolyposisDr. Hallman isAdvanced. Learn about Familial Adenomatous Polyposis.
- Gardner SyndromeDr. Hallman isAdvanced. Learn about Gardner Syndrome.
- Gas Bloat SyndromeDr. Hallman isAdvanced. Learn about Gas Bloat Syndrome.
- GastrectomyDr. Hallman isAdvanced. Learn about Gastrectomy.
- GastritisDr. Hallman isAdvanced. Learn about Gastritis.
- Gastroesophageal Reflux Disease (GERD)
- Gastrointestinal BleedingDr. Hallman isAdvanced. Learn about Gastrointestinal Bleeding.
- HemorrhoidsDr. Hallman isAdvanced. Learn about Hemorrhoids.
- Intestinal CancerDr. Hallman isAdvanced. Learn about Intestinal Cancer.
- Irritable Bowel Syndrome (IBS)Dr. Hallman isAdvanced. Learn about Irritable Bowel Syndrome (IBS).
- Painful SwallowingDr. Hallman isAdvanced. Learn about Painful Swallowing.
- Swallowing DifficultyDr. Hallman isAdvanced. Learn about Swallowing Difficulty.
- Turcot SyndromeDr. Hallman isAdvanced. Learn about Turcot Syndrome.
- Ulcerative ColitisDr. Hallman isAdvanced. Learn about Ulcerative Colitis.
- Watermelon StomachDr. Hallman isAdvanced. Learn about Watermelon Stomach.
View All 23 Advanced Conditions
- Experienced
- Acute PancreatitisDr. Hallman isExperienced. Learn about Acute Pancreatitis.
- Alcoholic CirrhosisDr. Hallman isExperienced. Learn about Alcoholic Cirrhosis.
- AnemiaDr. Hallman isExperienced. Learn about Anemia.
- AscitesDr. Hallman isExperienced. Learn about Ascites.
- Attenuated Familial Adenomatous PolyposisDr. Hallman isExperienced. Learn about Attenuated Familial Adenomatous Polyposis.
- Bacterial GastroenteritisDr. Hallman isExperienced. Learn about Bacterial Gastroenteritis.
- Banti's SyndromeDr. Hallman isExperienced. Learn about Banti's Syndrome.
- Barrett EsophagusDr. Hallman isExperienced. Learn about Barrett Esophagus.
- Benign Esophageal StrictureDr. Hallman isExperienced. Learn about Benign Esophageal Stricture.
- Bile Duct StrictureDr. Hallman isExperienced. Learn about Bile Duct Stricture.
- Bowel IncontinenceDr. Hallman isExperienced. Learn about Bowel Incontinence.
- Celiac DiseaseDr. Hallman isExperienced. Learn about Celiac Disease.
- Childhood PancreatitisDr. Hallman isExperienced. Learn about Childhood Pancreatitis.
- Childhood VolvulusDr. Hallman isExperienced. Learn about Childhood Volvulus.
- CholedocholithiasisDr. Hallman isExperienced. Learn about Choledocholithiasis.
- Chronic PancreatitisDr. Hallman isExperienced. Learn about Chronic Pancreatitis.
- CirrhosisDr. Hallman isExperienced. Learn about Cirrhosis.
- Colonic MalakoplakiaDr. Hallman isExperienced. Learn about Colonic Malakoplakia.
- Colorectal CancerDr. Hallman isExperienced. Learn about Colorectal Cancer.
- Congenital Diaphragmatic HerniaDr. Hallman isExperienced. Learn about Congenital Diaphragmatic Hernia.
- Crohn's DiseaseDr. Hallman isExperienced. Learn about Crohn's Disease.
- Cronkhite-Canada DiseaseDr. Hallman isExperienced. Learn about Cronkhite-Canada Disease.
- DiarrheaDr. Hallman isExperienced. Learn about Diarrhea.
- DICER1 SyndromeDr. Hallman isExperienced. Learn about DICER1 Syndrome.
- Dubin-Johnson SyndromeDr. Hallman isExperienced. Learn about Dubin-Johnson Syndrome.
- EncopresisDr. Hallman isExperienced. Learn about Encopresis.
- Enlarged LiverDr. Hallman isExperienced. Learn about Enlarged Liver.
- Eosinophilic EsophagitisDr. Hallman isExperienced. Learn about Eosinophilic Esophagitis.
- Esophageal PerforationDr. Hallman isExperienced. Learn about Esophageal Perforation.
- EsophagitisDr. Hallman isExperienced. Learn about Esophagitis.
- Exocrine Pancreatic InsufficiencyDr. Hallman isExperienced. Learn about Exocrine Pancreatic Insufficiency.
- Familial Colorectal CancerDr. Hallman isExperienced. Learn about Familial Colorectal Cancer.
- Fecal ImpactionDr. Hallman isExperienced. Learn about Fecal Impaction.
- Gallbladder DiseaseDr. Hallman isExperienced. Learn about Gallbladder Disease.
- GallstonesDr. Hallman isExperienced. Learn about Gallstones.
- GastroparesisDr. Hallman isExperienced. Learn about Gastroparesis.
- Hemorrhagic ProctocolitisDr. Hallman isExperienced. Learn about Hemorrhagic Proctocolitis.
- HepatitisDr. Hallman isExperienced. Learn about Hepatitis.
- Hereditary PancreatitisDr. Hallman isExperienced. Learn about Hereditary Pancreatitis.
- Hiatal HerniaDr. Hallman isExperienced. Learn about Hiatal Hernia.
- IndigestionDr. Hallman isExperienced. Learn about Indigestion.
- JaundiceDr. Hallman isExperienced. Learn about Jaundice.
- Juvenile Polyposis SyndromeDr. Hallman isExperienced. Learn about Juvenile Polyposis Syndrome.
- Lower Esophageal RingDr. Hallman isExperienced. Learn about Lower Esophageal Ring.
- MacroamylasemiaDr. Hallman isExperienced. Learn about Macroamylasemia.
- Mallory-Weiss SyndromeDr. Hallman isExperienced. Learn about Mallory-Weiss Syndrome.
- Morning SicknessDr. Hallman isExperienced. Learn about Morning Sickness.
- Necrotizing EnterocolitisDr. Hallman isExperienced. Learn about Necrotizing Enterocolitis.
- Non-Alcoholic Fatty Liver DiseaseDr. Hallman isExperienced. Learn about Non-Alcoholic Fatty Liver Disease.
- Opioid Induced ConstipationDr. Hallman isExperienced. Learn about Opioid Induced Constipation.
- Pancreatic PseudocystDr. Hallman isExperienced. Learn about Pancreatic Pseudocyst.
- Portal HypertensionDr. Hallman isExperienced. Learn about Portal Hypertension.
- ProctitisDr. Hallman isExperienced. Learn about Proctitis.
- Pseudomembranous ColitisDr. Hallman isExperienced. Learn about Pseudomembranous Colitis.
- Rotor SyndromeDr. Hallman isExperienced. Learn about Rotor Syndrome.
- Trichohepatoenteric SyndromeDr. Hallman isExperienced. Learn about Trichohepatoenteric Syndrome.
- Viral GastroenteritisDr. Hallman isExperienced. Learn about Viral Gastroenteritis.
- VisceromegalyDr. Hallman isExperienced. Learn about Visceromegaly.
View All 58 Experienced Conditions
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