MAY 15, 2020, BEND, OR – Summit Medical Group Oregon (SMGOR) today announced the expansion of its Total Care™ model with the addition of neurosurgery. Neurosurgery specialist, Mark Belza, MD, will begin practicing at SMGOR’s Eastside Clinic, located at 1501 NE Medical Center Drive in Bend on June 1st.

Dr. Belza is a Stanford University trained neurosurgeon who has practiced neurosurgery in Bend since 1991. Most recently, he practiced at Bend Spine and Neurosurgery. His expertise includes evaluation and treatment of the brain and spine; including but not limited to cervical, thoracic, lumbar and sacral spinal degenerative disease, tumors of the brain and spine, brain and spine injuries, peripheral nerve disease such as carpal tunnel syndrome, and other conditions.

“Joining Summit Medical Group Oregon will allow me to continue to focus on the brain and spine health of our community while providing me and my patients access to SMGOR’s additional resources to ensure the best possible outcomes and experiences. I will continue to dedicate myself to developing diagnoses, educating patients, and delivering compassionate care with cutting-edge technology,” said Dr. Mark Belza.

“Without question, adding Dr. Belza’s expertise and experience to our Group will – help drive our mission of delivering the highest quality care in the most efficient way. Since Dr. Belza has practiced in our area for twenty-nine years, he understands our community’s specific needs which is invaluable to our patient population,” explains Dr. Russell Massine, SMGOR Chief Physician Executive.

Dr. Belza has been at the forefront of research on spinal procedures involving minimally invasive approaches to the treatment of neck and low back pain. He is a strong advocate of total disc replacement in the cervical and lumbar spine when indicated. He has also served as president of the Oregon Neurosurgical Society in 1999 and 2000 and pioneered the development of the sports head injury program (ImPACT) for high school athletes in Central Oregon.

“Expanding access and care options for our patients while managing the total cost of care is and continues to be our primary interest,” Justin Sivill, SMGOR Regional Chief Operating Officer comments. “We couldn’t be more pleased to have Dr. Belza on board to deliver the highest quality of neurosurgical care to a community he’s provided care to for nearly three decades.”

About Summit Medical Group Oregon

Formed in 2018 through a strategic partnership between Bend Memorial Clinic (BMC) and Summit Health Management, Summit Medical Group Oregon’s comprehensive care model includes Summit Medical Group Oregon – Bend Memorial Clinic, the largest physician-owned multi-specialty group in Central Oregon, and Summit Medical Group Oregon – Bend Urology Associates, a specialty urological care clinic offering treatment of urinary tract disorders to the Central and Eastern Oregon communities. Summit Medical Group Oregon’s 125 providers offer primary care, urgent care, and over 30 medical specialty and surgical clinics to patients throughout Central Oregon.  For more information, please visit

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