Overview
John Farrell is a Gastroenterologist in Saint Louis, Missouri. Dr. Farrell is rated as an Experienced provider by MediFind in the treatment of Turcot Syndrome. His top areas of expertise are Crohn's Disease, Esophagitis, Viral Gastroenteritis, Colitis, and Gastrectomy.
His clinical research consists of co-authoring 3 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
Digestive Consultants LLC
Sajid Zafar is a Gastroenterologist in Chesterfield, Missouri. Dr. Zafar is rated as a Distinguished provider by MediFind in the treatment of Turcot Syndrome. His top areas of expertise are Hereditary Pancreatitis, Acute Pancreatitis, Familial Adenomatous Polyposis, Gastrectomy, and Endoscopy. Dr. Zafar is currently accepting new patients.
Specialists In Gastroenterology In St. Louis
Leonard Weinstock is a Gastroenterologist in St. Louis, Missouri. Dr. Weinstock is rated as a Distinguished provider by MediFind in the treatment of Turcot Syndrome. His top areas of expertise are Mast Cell Activation Syndrome (MCAS), Small Bowel Bacterial Overgrowth, Irritable Bowel Syndrome (IBS), Endoscopy, and Colonoscopy. Dr. Weinstock is currently accepting new patients.
Digestive Health Specialists LLC
Erik Thyssen is a Gastroenterologist in Creve Coeur, Missouri. Dr. Thyssen is rated as a Distinguished provider by MediFind in the treatment of Turcot Syndrome. His top areas of expertise are Gastric Dysmotility, Crohn's Disease, Familial Adenomatous Polyposis, Endoscopy, and Gastrectomy.
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
- Advanced
- Crohn's DiseaseDr. Farrell isAdvanced. Learn about Crohn's Disease.
- EsophagitisDr. Farrell isAdvanced. Learn about Esophagitis.
- Experienced
- Chronic Erosive GastritisDr. Farrell isExperienced. Learn about Chronic Erosive Gastritis.
- ColitisDr. Farrell isExperienced. Learn about Colitis.
- Colonic MalakoplakiaDr. Farrell isExperienced. Learn about Colonic Malakoplakia.
- DiarrheaDr. Farrell isExperienced. Learn about Diarrhea.
- Familial Adenomatous PolyposisDr. Farrell isExperienced. Learn about Familial Adenomatous Polyposis.
- Gardner SyndromeDr. Farrell isExperienced. Learn about Gardner Syndrome.