3.5
8 Ratings with 1 written Review
Summary
Dr. John Oconnor is a surgeon specializing in surgery and colorectal surgery. He earned his medical degree from the Jacobs School of Medicine & Biomedical Sciences at the University of Buffalo and brings six decades of clinical experience to his practice.
Dr. Oconnor practices in Rockville and Potomac, Maryland. His expertise includes treating conditions such as gastrointestinal bleeding, melena, and anemia. He performs procedures like colorectal cancer screening and video capsule endoscopy to help diagnose and monitor digestive health issues. Patients rate him 3.5 out of 5 stars on average.
Dr. Oconnor practices in Rockville and Potomac, Maryland. His expertise includes treating conditions such as gastrointestinal bleeding, melena, and anemia. He performs procedures like colorectal cancer screening and video capsule endoscopy to help diagnose and monitor digestive health issues. Patients rate him 3.5 out of 5 stars on average.
Overview based on verified provider data
Quick Facts
- 60 years of experience
- 5 insurance plans accepted
- University At Buffalo State University Of New York School Of Medicine & Biomedical Sciences
- 1 written review
- 2 specialties
- 2 areas of expertise
- 2 board certifications
- 2 office locations
- Male
Patients’ Perspective
- Flexible scheduling
Based on patient feedback. Read the reviews
Office Locations
Dr. John Joseph Oconnor has 2 locationsCompare with Similar Doctors
 |  | | |
| Dr. John Joseph Oconnor, MD | Dr. Michael Svestka, MD, FACS | Jeramy Joseph Mahoney | Dr. Adham Khalil |
| Surgery | Surgery | Nurse Practitioner | Vascular & Interventional Radiology |
| Accepts New Patients | Accepts New Patients | ||
| 60 Years of Experience | 13 Years of Experience | 12 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | |||
| Rockville , MD | Fairfax , VA | Bethesda , MD | Washington , DC |
| Med School: University At Buffalo State University Of New York School Of Medicine & Biomedical Sciences | Med School: Eastern Virginia Medical School | Med School: College Of Human Medicine Benha University | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. John Joseph Oconnor
Medical Specialties
Dr. John Joseph Oconnor has the following 2 specialties
Specialty Expertise
Dr. John Joseph Oconnor has the following 2 areas of expertise
Certifications, License, & Education
60 Years Experience
Education & Training
Medical School
Graduated from University At Buffalo State University Of New York School Of Medicine & Biomedical Sciences and Jacobs School Of Medicine & Biomedical Sciences At The Univ Of Buffalo in 1966.
NPI Number
Dr. Oconnor's NPI number is 1407933575.
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Frequently Asked Questions
- How can I make an appointment with Dr. John Oconnor?
- You can find contact information for Dr. John Oconnor here on Vitals.
- Does Dr. John Oconnor accept virtual/telehealth appointments?
- Dr. John Oconnor has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Dr. John Oconnor's office located?
- Dr. John Oconnor's office is located at 11125 Rockville Pike Ste 308, Rockville, MD, 20852.
- Does Dr. John Oconnor accept my insurance?
- You can see the insurance plans that Dr. John Oconnor accepts on their Vitals profile.
- Is Dr. John Oconnor accepting new patients?
- Dr. John Oconnor has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
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