


Dr. John O'Connor, MD
Dr. John O'Connor, MD is a colorectal surgeon in Rockville, MD and has over 55 years of experience in the medical field. He graduated from State University of New York at Buffalo in 1966. He is affiliated with Jefferson Einstein Montgomery Hospital.
Practice
11125 Rockville Pike Ste 308 Rockville, MD 20852Make an Appointment
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Make an appointment at Reston Hospital Center today at
(703) 923-8975.
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Dr. O'Connor's Reviews
Likelihood to recommend Dr. O'Connor
1.7
5 Star | 0% | 0% |
4 Star | 0% | 0% |
3 Star | 33% | 33% |
2 Star | 0% | 0% |
1 Star | 67% | 67% |
Overall Patient Satisfaction
Likelihood of recommending Dr. O'Connor to family and friends is 1.6666666 out of 5
About Me
biography
Dr. John O'Connor, MD is a colorectal surgeon in Rockville, MD and has over 55 years of experience in the medical field. He graduated from State University of New York at Buffalo in 1966. He is affiliated with Jefferson Einstein Montgomery Hospital.Colorectal 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.
State University Of New York At Buffalo
Medical School, 1966
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Locations
Practice
Affiliated Hospitals
- Recipient of 22
hospital awardsAmerica's 250 Best Hospitals Award™ (2025, 2024, 2023)
Superior clinical outcomes in bowel obstruction treatment, colorectal surgeries, gallbladder removal, and upper gastrointestinal surgery
View all awardsGastrointestinal Surgery Excellence Award™ (2025, 2024)
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
78%Patients said that nurses always listened to them and explained things well3% higher than the national average
Compare with other Colorectal Surgeons
Compare Dr. O'Connor with our nearby Colorectal Surgeons at Reston Hospital Center.
Make an appointment at Reston Hospital Center today at
(703) 923-8975.
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