The Oregon Clinic Endoscopy Centers


Our focus is on you. We strive to provide patient-centered care in a professional, comfortable environment. We have over 50 Board-Certified gastroenterologists across four endoscopy centers and average over 36,000 procedures a year.

What sets us apart:

  • We are accredited by the AAAHC, meaning we
    meet the highest standards in patient quality care.
  • We use the latest technology and techniques,
    including high-definition scopes to get the
    clearest view.


Adenoma Detection Rate

An adenoma is a benign (non-cancerous) tumor that over time can progress to become malignant (cancerous). The purpose of removing adenomas in the colon is to prevent colon cancer. The adenoma detection rate (ADR) is the most important quality indicator, since it describes the percentage of patients in whom adenomatous polyps are identified by the physician performing the colonoscopy. The higher the percentage, the better the physician is at identifying and removing adenomas.

The Oregon Clinic Adenoma Detection Rate

The Oregon Clinc surpasses the national benchmark as well as the Mayo Clinic's benchmark in both males and females.

Quality Standards

We participate in the Gastroenterology Quality Improvement Consortium (GIQuIC), which is an organization that sets endoscopy benchmarks, collects data nationwide, and develops improvement initiatives. We submit our data and compare our results to the entire registry. To learn more about the organization, please visit their website

The following information is based on 2017 data.

The Oregon Clinic Cecal Intubation Rate

Cecal Intubation Rate
The cecum is a pouch that connects the small and large intestines. The cecal intubation rate is defined as percentage of times the physician makes it to the cecum. The Oregon Clinic has a 99.2% cecal intubation rate, while the National Benchmark is 90%. 

Why does it matter?
This quality indicator is important because it shows the provider is examining the whole colon. There may be many reasons the provider is unable to reach the cecum, including poor bowel preparation by the patient and lack of colonoscopy experience. 

The Oregon Clinic Withdrawal Time

Withdrawal Time
The withdrawal time indicates the average amount of time spent viewing the colon when no polyps are found as the scope is withdrawn. The National Benchmark is at least 6 minutes and The Oregon Clinic physicians spend 10:45 minutes on average.

Why does it matter?
You want the physician doing the procedure to do a thorough exam. Increasing the amount of time viewing the colon during the withdrawal has been shown to increase the number of pre-cancerous polyps found, thus reducing a patient's risk of cancer. 

The Oregon Clinic Post-Polypectomy Bleed Rate

Post-Polypectomy Bleed Rate
The post-polypectomy bleed rate is the percentage of time significant bleeding occurs after a polyp is removed during a colonoscopy. Bleeding is the most common complication after a colonoscopy. Bleeding may happen immediately, or may be delayed from hours up to 14 days. The Oregon Clinic has a 0.14% post polypectomy bleed rate, with the National Benchmark being 1% or less.

Why does it matter?
The last thing you want after getting a colonoscopy done is to have complications. Although bleeding after a colonoscopy is typically easily managed, serious complications can occur if left untreated. 

The Oregon Clinic Perforation Rate

Performation Rate
A perforation, or making a hole in the colon, is one of most serious complications that can occur during a colonoscopy. It usually occurs during insertion of the scope, or during a polyp removal. The Oregon Clinic has 0.03% perforation rate, while the National Benchmark is 0.20% or less. That means only 3 out of every 10,000 colonoscopies has a perforation at The Oregon Clinic, while the national benchmark is about 20 out of every 10,000 colonoscopies.

Why does it matter?
A perforation usually requires an emergency surgical repair. A doctor with more experience performing colonoscopies is less likely to make a perforation.



The Oregon Clinic prides itself on meeting the highest quality standards and credentials. Our accreditations include:

  • Full accreditation by the Accreditation Association for Ambulatory Health Care, meaning our centers meet the highest national standards for quality patient care in outpatient surgery centers.
  • Oregon Department of Health and Human Services Licensed Ambulatory Surgery Center
  • Medicare certified and approved