St. Alphonsus Regional Medical Center
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Welcome to The Saint Alphonsus Medical Group Neurosurgery clinics, your resource for the microsurgical treatment of neurological conditions. Located in Saint Alphonsus Regional Medical Center, our board certified neurosurgeons specialize in the surgical treatment of neurological cases ranging from neck and spine problems to the most complex neurovascular disorders.

In 2011 and 2012, Saint Alphonsus Neurosciences and Neurosurgery were ranked #1 in Idaho by HealthGrades™, the nation's most trusted, independent source of physician information and hospital quality ratings. Additionally, Saint Alphonsus was awarded the HealthGrades Neurosurgery Excellence Award™ in 2012 and was ranked in the top 10% nationwide for these services.

Dr. Zimmerman sees patients out of:

901 N. Curtis Rd., Suite 503
Boise, ID 83706
Phone: 208-367-4000
Additional clinic location in Fruitland.

Dr. Andersen sees patients out of:

1072 N. Liberty, Suite 303
Boise, ID 83704

Our Providers

Christian Zimmerman, MD, FACS, MBA

Dr. ZimmermanDr. Zimmerman has been practicing in the Treasure Valley for the past fifteen years. He attended medical school at the University of Maryland and completed his residency at Oregon Health Science University in Portland. Additionally, Dr. Zimmerman received his fellowship in Complex Spinal Disorders and Instrumentation from Barrow Neurological Institute. Dr. Zimmerman is board certified in both Neurological Surgery and Pain Management. In 1993, he co-founded the Idaho Neurological Institute at Saint Alphonsus and continues to serve as Chairman and Medical Director on the INI.

Additionally, Dr. Zimmerman was recognized by Becker's Hospital Review as one of the top 100 Spine Surgeons in America. Physicians receiving this award underwent substantial review from other peers and outcomes research.

Dr. Christian Zimmerman specializes in neurosurgical care. Some of the conditions
treated and/or services provided include but are not limited to:

  • Cervical, thoracic and lumbar spine problems
  • Brain tumors
  • Hydrocephalus
  • Peripheral nerve tumors/entrapment
  • Pituitary tumors
  • Telemedicine consults

Bruce J. Andersen, MD, PhD, FAANS, FACS

Dr. AndersenDr. Andersen is a board-certified Neurological Surgeon and Fellow of the American Association of Neurologic Surgeons and the American College of Surgeons. He received his medical degree from Northwestern University Medical School in Chicago, Illinois and his PhD, in Physiology from Virginia Commonwealth University in Richmond. His neurosurgical training was at the Medical College of Virginia and Oregon Health Sciences University and he was a Neurosurgical Fellow with the University of South Florida.

Dr. Bruce Andersen specializes in neurosurgical care. Some of the conditions treated and/or services provided include but are not limited to:

  • Neuro-Oncology
  • Neurovascular disease
  • Normal pressure hydrocephalus
  • Spinal disease
  • Brain tumors
  • Telemedicine consults



Saint Alphonsus Regional Medical Center  |  1055 N. Curtis Road  |  Boise, Idaho 83706  |  208-367-2121

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