Dr. Daniel O'Brien, MD
Dr. Daniel O'Brien, MD is a gastroenterologist in Danbury, CT and has over 15 years of experience in the medical field. He graduated from State University of New York Downstate Health Sciences University College of Medicine in 2008. He is affiliated with medical facilities Danbury Hospital and Putnam Hospital Center. He is accepting new patients and telehealth appointments.
Practice
111 Osborne St Danbury, CT 06810Make an Appointment
Compare Dr. Daniel O'Brien, MD with other Gastroenterologists near you
Dr. O'Brien is a Healthgrades Choice provider in Gastroenterology
The Healthgrades Choice designation helps you understand the most important factors to consider when choosing a healthcare professional. This designation is earned based on four set standards.
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- Above average experience
- Good hospital quality
- Good patient ratings
- No healthcare sanctions
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Dr. O'Brien's Reviews
Likelihood to recommend Dr. O'Brien
3.6
| 5 Star | 54% | 54% |
| 4 Star | 8% | 8% |
| 3 Star | 8% | 8% |
| 2 Star | 8% | 8% |
| 1 Star | 23% | 23% |
Leave a review
How was your experience with Dr. O'Brien?Overall Patient Satisfaction
Likelihood of recommending Dr. O'Brien to family and friends is 3.6153846 out of 5
About Me
biography
Dr. Daniel O'Brien, MD is a gastroenterologist in Danbury, CT and has over 15 years of experience in the medical field. He graduated from State University of New York Downstate Health Sciences University College of Medicine in 2008. He is affiliated...read moreGastroenterology
Internal Medicine
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Suny Downstate
Fellowship HospitalState University Of New York Downstate Health Sciences University College Of Medicine
Fellowship HospitalState University Of New York Downstate Health Sciences University College Of Medicine
Medical School, 2008
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.
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Practice
Affiliated Hospitals
- Recipient of 28
hospital awardsAmerica’s 100 Best Hospitals for Gastrointestinal Care Award™ (2025)
Top 5% in the nation for consistently delivering clinical quality
View all awardsAmerica’s 100 Best Hospitals for Gastrointestinal Surgery Award™ (2025, 2024)
Top 5% in the nation for consistently delivering clinical quality
View all patient feedbackHow patients felt about the care they received at this hospital.
87%Patients said they were given information about recovering at home3% higher than the national average
74%Patients said that doctors always listened to them and explained things well2% lower than the national average
- Recipient of 1
hospital awardView all awardsPatient Safety Excellence Award™ (2023)
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.
85%Patients said they were given information about recovering at home1% higher than the national average
77%Patients said that doctors always listened to them and explained things well1% higher than the national average
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