Phone
515-239-4450
- 137 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
