Dr. John O'Connor, MD

Dr. John O'Connor, MD

Colon & Rectal Surgery  |  
Male  |  
Age 76
(2)
Insurances AcceptedSave
Dr. John O'Connor, MD is a colon & rectal surgery specialist in Rockville, MD and has been practicing for 45 years. He graduated from University At Buffalo State University Of New York School Of Medicine in 1966 and specializes in colon & rectal surgery.

11125 Rockville Pike Ste 308

Rockville, MD 20852

Contact Information

(301) 881-5167

Insurance Accepted

  • First Health (Coventry Health Care)

*Please verify this information when scheduling an appointment.

Learn about Dr. O'Connor

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you

Top Care Areas

new

See how frequently Dr. O'Connor performs your care needs compared to other doctors.

Gastroenterology Procedures
normal
more than 9% of peers
Gastrointestinal Diseases
normal
more than 8% of peers

Dr. O'Connor's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

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1

Specialties

  • Colon & Rectal Surgery
1

Board Certifications

  • Colon & Rectal Surgery
    Accredited by: American Board of Colon & Rectal Surgery*
3

Conditions Treated

  • Abdominal Disorders
  • Gastrointestinal Diseases
  • Hemorrhoids
2

Procedures

  • Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
  • Gastroenterology Procedures

Background Check

Malpractice Claims not available

Healthgrades does not collect malpractice information for Maryland.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.

Education

  • University At Buffalo State University Of New York School Of Medicine
    Medical School | Graduated 1966
  • Millard Fillmore Hospital
    Internship Hospital | Completed 1967
  • Millard Fillmore Hospital
    Residency Hospital | Completed 1971
  • Clin For Intrectsurg
    Fellowship Hospital | Completed 1973

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. O'Connor has no media or publications listed.

Languages Spoken

  • English
  • Spanish

Memberships & Professional Affiliations

Dr. O'Connor does not have any memberships or affiliations listed. If you are Dr. O'Connor and would like to add memberships or affiliations, please update your profile.

Dr. O'Connor's Reviews

Likelihood of recommending Dr. O'Connor to family and friends
1.0
based on 2 total reviews

Likelihood to Recommend (2)

  • 5
    (0)
  • 4
    (0)
  • 3
    (0)
  • 2
    (0)
  • 1
    (2)

Dr. O'Connor's Performance

Trustworthiness
FAIR
Explains condition(s) well
FAIR
Answers Questions
FAIR
Time well spent
POOR

Office & Staff Performance

Scheduling
VERY GOOD
Office environment
VERY GOOD
Staff friendliness
VERY GOOD
Average wait time
10 to 15 minutes

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