


Dr. Brett Duncan, MD
Dr. Brett Duncan, MD is a general surgeon in Sioux City, IA. He is affiliated with medical facilities such as CHI Health Immanuel and CHI Health Mercy Council Bluffs.
Practice
5885 Sunnybrook Dr Sioux City, IA 51106Make an Appointment
Hospital Highlight
Dr. Duncan is affiliated with Methodist Jennie Edmundson Council Bluffs, a highly rated hospital.
At a Glance
- Areas of ExpertiseDr. Duncan specializes in the areas of General Surgery & Thoracic Cardiovascular Surgery. • See board certifications
- Practices at Top Hospital
- Hospital Satisfaction

Save money with free prescription discounts
Experience Check
Search for experience in a specific area
Insurance Check
Search for your insurance carrier and choose your plan type
Dr. Duncan's Reviews
Overall Patient Satisfaction
About Me
biography
Dr. Brett Duncan, MD is a general surgeon in Sioux City, IA. He is affiliated with medical facilities such as CHI Health Immanuel and CHI Health Mercy Council Bluffs.General Surgery
Cardiothoracic Surgery
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Southwest College Of Naturopathic Medicinehealth Sciences
Medical School
Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.
Learn more about medical license public record checkHealthgrades Top Picks on General Surgeons
Locations
Practice
Practice
Affiliated Hospitals
- Recipient of 2
hospital awardsView all awardsOutstanding Patient Experience Award™ (2024, 2022)
Top in the nation for overall patient experience based on nine measures related to doctor and nurse communication, hospital cleanliness and noise levels, and medication and post-discharge care instructions
View all patient feedbackHow patients felt about the care they received at this hospital.
88%Patients said they were given information about recovering at home4% higher than the national average
83%Patients said that nurses always listened to them and explained things well8% higher than the national average
- View all patient feedback
How patients felt about the care they received at this hospital.
95%Patients said that doctors always listened to them and explained things well13% higher than the national average
94%Patients said that nurses always listened to them and explained things well12% higher than the national average
- Recipient of 6
hospital awardsGastrointestinal Surgery Excellence Award™ (2025)
Superior clinical outcomes in bowel obstruction treatment, colorectal surgeries, gallbladder removal, and upper gastrointestinal surgery
View all awardsPatient Safety Excellence Award™ (2024, 2023)
Superior clinical outcomes in bowel obstruction treatment, colorectal surgeries, gallbladder removal, and upper gastrointestinal surgery
View all patient feedbackHow patients felt about the care they received at this hospital.
85%Patients said they were given information about recovering at home1% higher than the national average
79%Patients said that doctors always listened to them and explained things well3% higher than the national average
Compare Providers
Providers shown based on Dr. Duncan's location and specialty. Show more General Surgeons.