Overview
Thomas Johnson is a Gastroenterologist in Ames, Iowa. Dr. Johnson is rated as an Advanced provider by MediFind in the treatment of Primary Biliary Cholangitis. His top areas of expertise are Choledocholithiasis, Familial Adenomatous Polyposis, Benign Esophageal Stricture, Endoscopy, and Colonoscopy.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- HMO
- MEDICARE MAPD
- MEDICARE PDP
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- POS
- PPO
- EPO
- HMO
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- OTHER MANAGED MEDICAID
- EPO
- HMO
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- MEDICARE MAPD
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE PDP
- EPO
- HMO
- PPO
- EPO
- HMO
- INDEMNITY
- POS
- OTHER COMMERCIAL
- 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
- HMO
- POS
Locations
Additional Areas of Focus
Dr. Johnson has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.
Central Iowa Hospital Corporation
Marco Olivera-Martinez is a Gastroenterologist and a Hepatologist in Des Moines, Iowa. Dr. Olivera-Martinez has been practicing medicine for over 43 years and is rated as a Distinguished provider by MediFind in the treatment of Primary Biliary Cholangitis. His top areas of expertise are Cirrhosis, Visceromegaly, Hepatitis, Liver Transplant, and Colonoscopy. Dr. Olivera-Martinez is currently accepting new patients.
Iowa Digestive Disease Center PC
Rajalakshmi Iyer is a Gastroenterologist in Clive, Iowa. Dr. Iyer is rated as a Distinguished provider by MediFind in the treatment of Primary Biliary Cholangitis. Her top areas of expertise are Visceromegaly, Cirrhosis, Alcoholic Cirrhosis, Gastrectomy, and Endoscopy.
Iowa Digestive Disease Center PC
Ravi Vemulapalli is a Gastroenterologist in Clive, Iowa. Dr. Vemulapalli is rated as a Distinguished provider by MediFind in the treatment of Primary Biliary Cholangitis. His top areas of expertise are Visceromegaly, Enlarged Liver, Cirrhosis, Colonoscopy, and Endoscopy.
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
- Distinguished
- Benign Esophageal StrictureDr. Johnson isDistinguished. Learn about Benign Esophageal Stricture.
- CholedocholithiasisDr. Johnson isDistinguished. Learn about Choledocholithiasis.
- Familial Adenomatous PolyposisDr. Johnson isDistinguished. Learn about Familial Adenomatous Polyposis.
- Lower Esophageal RingDr. Johnson isDistinguished. Learn about Lower Esophageal Ring.
- Ulcerative ColitisDr. Johnson isDistinguished. Learn about Ulcerative Colitis.
- Advanced
- AchalasiaDr. Johnson isAdvanced. Learn about Achalasia.
- Acute PancreatitisDr. Johnson isAdvanced. Learn about Acute Pancreatitis.
- Alcoholic CirrhosisDr. Johnson isAdvanced. Learn about Alcoholic Cirrhosis.
- Angiodysplasia of the ColonDr. Johnson isAdvanced. Learn about Angiodysplasia of the Colon.
- Barrett EsophagusDr. Johnson isAdvanced. Learn about Barrett Esophagus.
- Bile Duct ObstructionDr. Johnson isAdvanced. Learn about Bile Duct Obstruction.
- Experienced
- Anal FissureDr. Johnson isExperienced. Learn about Anal Fissure.
- AnemiaDr. Johnson isExperienced. Learn about Anemia.
- AscitesDr. Johnson isExperienced. Learn about Ascites.
- Attenuated Familial Adenomatous PolyposisDr. Johnson isExperienced. Learn about Attenuated Familial Adenomatous Polyposis.
- Autoimmune HepatitisDr. Johnson isExperienced. Learn about Autoimmune Hepatitis.
- Bacterial GastroenteritisDr. Johnson isExperienced. Learn about Bacterial Gastroenteritis.