


Dr. John O'Holleran, MD
Dr. John O'Holleran, MD is a general surgeon in Oregon City, OR and has over 35 years of experience in the medical field. He graduated from University of Nebraska Medical Center College of Medicine in 1987. He is affiliated with medical facilities Providence Willamette Falls Medical Center and Saint Lukes Regional Medical Center. He is accepting new patients.
Practice
1510 Division St Ste 210 Oregon City, OR 97045Make an Appointment
Hospital Highlight
Dr. O'Holleran is affiliated with Providence Willamette Falls Medical Center Oregon City, a highly rated hospital.
At a Glance
- Area of Expertise
- Explains Conditions Well
- Practices at Top Hospital
- Trustworthy
Save up to 80% on prescriptions
Experience Check
Search for experience in a specific area
Insurance Check
Search for your insurance carrier and choose your plan type
Dr. O'Holleran's Reviews
Likelihood to recommend Dr. O'Holleran
5 star | 82% | 82% |
4 star | 0% | 0% |
3 star | 0% | 0% |
2 star | 0% | 0% |
1 star | 18% | 18% |
Your trust is our top concern.
We strive to keep reviews honest, trustworthy, and fair.Doctors can not pay for good reviews, nor can they pay to have negative reviews removed.
We monitor all reviews to ensure they comply with our guidelines and don’t include personal information, profanity, libel, defamation, harassment, obscenity or fraud.
Any reviews that are deemed fraudulent or violate our guidelines will be removed immediately.
All reviews are confirmed and audited before publication, and community members have the ability to flag inappropriate content for further review by our team.
- Appointment scheduling
- Listened & answered questions
- Explained conditions well
- Appointment wasn't rushed
- Trusted the provider's decisions
Leave a review
How was your experience with Dr. O'Holleran?Overall Patient Satisfaction
Likelihood of recommending Dr. O'Holleran to family and friends is 4.2727275 out of 5
About Me
care philosophy
I am a board certified General Surgeon whose area of interest is laparoscopic surgery, hernia surgery, and diseases of the breast. My philosophy is to inform the patient of their condition, "the more you know, the better off you are", making certain...read moreGeneral 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.
St Joseph Hospital
Internship Hospital, 1988University Of Nebraska Medical Center College Of Medicine
Medical School, 1987
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.
Learn more about medical license public record checkHealthgrades Top Picks on General Surgeons
Locations
Practice
Affiliated Hospitals
- View all patient feedback
How patients felt about the care they received at this hospital.
82%Patients said they were given information about recovering at home2% lower than the national average
72%Patients said that nurses always listened to them and explained things well3% lower than the national average
- Recipient of 8
hospital awardsView all awardsPatient Safety Excellence Award™ (2025, 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.
89%Patients said they were given information about recovering at home5% higher than the national average
77%Patients said that doctors always listened to them and explained things well1% higher than the national average
Compare Providers
Providers shown based on Dr. O'Holleran's location and specialty. Show more General Surgeons.