


Dr. Brett Herzog, MD
Dr. Brett Herzog, MD is a medical oncologist in O Fallon, IL. He is affiliated with medical facilities Memorial Hospital Belleville and Barnes Jewish Hospital.
Practice
1418 Cross St Ste 180 O Fallon, IL 62269Make an Appointment
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Dr. Herzog's Reviews
Likelihood to recommend Dr. Herzog
5 star | 100% | 100% |
4 star | 0% | 0% |
3 star | 0% | 0% |
2 star | 0% | 0% |
1 star | 0% | 0% |
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- Listened & answered questions
- Explained conditions well
- Appointment wasn't rushed
- Trusted the provider's decisions
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How was your experience with Dr. Herzog?Overall Patient Satisfaction
Likelihood of recommending Dr. Herzog to family and friends is 5 out of 5
About Me
biography
Dr. Brett Herzog, MD is a medical oncologist in O Fallon, IL. He is affiliated with medical facilities Memorial Hospital Belleville and Barnes Jewish Hospital.Medical Oncology
Internal Medicine
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Affiliated Hospitals
- Recipient of 31
hospital awardsAmerica's 250 Best Hospitals Award™ (2024)
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 awardsOutstanding Patient Experience Award™ (2024)
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.
90%Patients said they were given information about recovering at home6% higher than the national average
80%Patients said that doctors always listened to them and explained things well4% higher than the national average
- Recipient of 3
hospital awardsPatient Safety Excellence Award™ (2025)
Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications
View all awardsOutstanding Patient Experience Award™ (2024)
Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications
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
81%Patients said that nurses always listened to them and explained things well6% higher than the national average
Compare with other Medical Oncologists
Compare Dr. Herzog with our nearby Medical Oncologists at Mayo.