Freddy Caldera, DO, MS

  • Gastroenterology and Hepatology
Freddy Caldera, DO


Freddy Caldera, DO, is a gastroenterologist and hepatologist at UW Health. Dr. Caldera treats patients with gastrointestinal (GI) tract disease. These digestive system disorders include stomach ulcers and inflammatory bowel disease (IBD).

Dr. Caldera diagnoses and treats ulcerative colitis (an IBD that affects the colon), Crohn’s disease (an IBD that can affect any part of the digestive tract), and other chronic and acute GI diseases. He evaluates symptoms such as abdominal pain, bleeding or diarrhea, and recommends testing and treatment options. He identifies autoimmune diseases that cause the body to attack healthy tissues.

Dr. Caldera performs surgeries during which he removes polyps to prevent colon cancer. He also sees hospitalized patients with symptoms that could require surgery.

Dr. Caldera is an associate professor in the Division of Gastroenterology and Hepatology at the University of Wisconsin School of Medicine and Public Health, Department of Medicine. His clinical research includes investigating vaccine responses in patients with IBD.

After work, Dr. Caldera spends time with his wife, four kids and their dog. He also enjoys sporting activities and exercise.

When I first meet a patient, I tell them it’s OK to feel overwhelmed — that’s normal. We have so many more treatment options now and it is rewarding to see sick patients get better.

Languages spoken
  • English
  • Spanish
University affiliation

Education & credentials

Board certifications
  • Gastroenterology
  • Internal Medicine
Medical School
  • Des Moines University College of Osteopathic Medicine, Des Moines, IA
  • University of Kentucky Medical Center, Lexington, KY
  • University of Kentucky Medical Center, Lexington, KY
  • Providence Hospital and Medical Center, Southfield, MI

Areas of expertise