March is Colon Cancer Awareness Month. Don’t forget to schedule your colonoscopy!

Patient Reviews

google
Dr. Brenner is absolutely one of the Best Gastroenterologist. She is compassionate, kind and is a great listener. Dr. Brenner treats the patient with value and is genuinely concerned about helping to improve my health.
google
The process and the actual procedure was flawless, thank you Dr. Sieja.
google
Everyone at the Denver Endoscopy Center was very friendly and competent. They made the “colonoscopy experience” a good one! Dr. Sieja was calm, kind and reassuring.
google
This facility and the staff help patients feel comfortable and cared for throughout the process.
google
I have been a patient for many years and I find Dr. Sieja and his staff friendly and explaining procedures and information in an easy to understand manner. Appointments are easy to make.
google
Everyone was efficient and friendly. They made it as comfortable as could be for a procedure no one really wants to have!

Request An Appointment