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CMG Careers

2801 NW Mercy Dr., Ste 330

  Roseburg, Oregon  97471


About US

Patient Portal

Centennial Medical Group is proud to announce the new Patient Portal where patients are able to schedule appointments, access their records and pay bills - all online.


The new Patient Portal helps you manage your healthcare easily and securely.

Our Services


    Our surgeons offer a wide range of general surgical services to include laparoscopic and endoscopic procedures.

The physicians and staff of Centennial Surgery are committed to providing compassionate, high quality surgical care for general surgery issues, embracing anatomy, physiology, metabolism, pathology, wound healing, and intensive care.


Our surgeons have specialized knowledge and experience related to the diagnosis, preoperative, operative, and postoperative management of surgical diseases of the gastrointestinal tract, the abdominal organs, the breasts, and traumatic injuries, and complete care of critically ill patients with underlying surgical conditions.

Meet Our Providers

Dr. Christopher R. Spence is a Board Certified General Surgeon and a Fellow of the American College of Surgeons. He attended Jefferson Medical College in Philadelphia, PA on a full scholarship through the Health Profession Scholarship Program earning his doctorate in 1996.

Dr. Bret R. Hansen is a Board Certified General Surgeon and a Fellow of the American College of Surgeons. He graduated from the University of Washington with a Bachelor of Science in Biology. He received his Medical Doctorate from the University of Oklahoma

FYI - Things To Know

Most consults with a general surgeon begin with a request from a primary care provider or other specialist for a specific diagnosis.

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