Thomas Johnson, MD

Gastroenterology

Accepting New Patients

515-239-4450

Patient Rating

4.89 out of 5

63 Patient Ratings

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Primary Clinic

1215 Duff Avenue Office

1215 Duff Ave
Ames, IA 50010

Location Details on 1215 Duff Avenue Office

Patient Testimonials

Dr. Johnson is very personable, listens to my concerns, and is happy to address all my questions.

September 29, 2023

Dr Johnson was very thorough and explaining my condition and a plan to remedy it. He was very easy to talk to and made me feel at ease.

September 7, 2023

He was very knowledgeable and attentive to listening to me about my symptoms.

August 4, 2023

He took all of the time we needed to discuss my health issues and ordered additional testing to get to the bottom of it.

July 20, 2023

Dr. Johnson is always so friendly and caring. After each office visit I feel that I am in the best hands possible.

July 10, 2023

Friendly staff and Dr Johnson is always friendly and explains everything and listens

May 3, 2023

Dr. Johnson is a kind, caring physician. I would recommend him to anyone.

March 23, 2023

His "bedside manners" are very much appreciated. He takes the time to explain and go over your medications to find out if changes need to be done.

March 9, 2023

He is so good about answering any questions you have about your health.

January 31, 2023

Dr. Johnson is outstanding at helping me understand my medical status. He is compassionate and takes time to explain everything.

January 9, 2023

Very kind, considerate, and genuinely cares about your health and wellbeing.

November 30, 2022

Dr. Johnson was excellent! He spent a good amount of time with me and was very thorough. I left his office feeling that I would get the help I needed in hopes of feeling better. He was very personable and friendly as was his staff.

October 17, 2022

Dr Johnson is very personable and knowledgeable in his field.

September 12, 2022

Dr. Johnson is so nice and takes time to talk to you and go over things with you. His nurse is very nice also!

August 17, 2022

Excellent communication skills and took time to make sure I understood everything.

August 17, 2022

Dr Johnson was very professional, and answered my questions.

April 11, 2022

Dr. Johnson is clearly knowledgeable and is thorough and thoughtful, which was refreshing. In general, he really heard what I was saying to him and asked appropriate follow up questions. I feel seen, heard and supported.

April 4, 2022

I felt Dr Johnson took the appropriate time explaining my situation to me and being very honest about how we were going to take care of it. I really appreciate him. He’s very kind I also want to add his nurse Connie is so sweet and amazing

March 22, 2022

Dr. Johnson went above and beyond to work me in on very short notice so we could leave for Florida tomorrow as planned! It was such a relief to be able to discuss new test results with him before leaving so it didn’t hang over my head for 4 months. I have been so appreciative of his attentive care in the past and again today. Dr Johnson is a perfect example of Extraordinary Care, Every Day!

December 15, 2021

Dr. Johnson was very sensitive to what I came to see him about, and was a great encouragement to what the outcome would be. And he was correct.

December 15, 2021

Dr Johnson was very informative as well as he did not hurry through my appointment. He explained things and told me what will be in store for me. I like to know what I have to look forward to.

December 9, 2021

He went out of his way to answer all my questions and was kind to me about everything

November 29, 2021

About

Medical Interests

Colon cancer research and prevention
Biliary and pancreatic disorders

Joined McFarland Clinic

July 1989

Education & Professional Certification

Certifications

Diplomate, National Board of Internal Medicine
Diplomate, National Board of Medical Examiners
Diplomate, American Board of Gastroenterology

Education

University of Illinois, Champaign-Urbana, IL

BS, 1972-1976

University of Health Sciences, North Chicago, IL

BS, 1977-1979

University of Illinois, Chicago, IL

MD, 1980-1984

Residency

Loyola University Medical Center, Chicago, IL

Internal Medicine, 1985-1987

Fellowship