Phone
515-239-4450
- 53 Patient Ratings
Specialties & Services
Primary Clinic
Dr. Thomas Johnson - Practice Information
Joined McFarland Clinic
July 1989
Medical Interests
- Colon cancer research and prevention
- Biliary and pancreatic disorders
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
- BS, 1977-1979
- MD, 1980-1984
Residency
Loyola University Medical Center, Chicago, IL
- Internal Medicine, 1985-1987
Fellowship
Loyola University Medical Center, Chicago, IL
- Gastroenterology, 1987-1989
Professional Societies
- American College of Gastroenterology
- American Medical Association
- Associate-American College of Physicians
- Iowa Medical Foundation
- Iowa Medical Society
- Story County Medical Society
Professional & Personal Interests
Leadership Roles
- Director, Mary Greeley Medical Center Endoscopy Lab
- Department Chair, McFarland Clinic Gastroenterology
Community Involvement
Ames Emergency Shelter Residence Project, Upward Sports for Children
Patient Ratings
The Patient Rating score is an average of all responses to care provider related questions on our nationally recognized Press Ganey Patient Satisfaction Survey.
Responses are measured on a scale of 1 to 5, with 5 being the best score.
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