Meet the Neurosurgery Team


The Neurosurgery team at the EvergreenHealth Neuroscience, Spine & Orthopedic Institute combines the talents of fellowship trained neurosurgeons with those of experts in diagnosis, nonsurgical treatment and rehabilitation.

Together, we offer the latest innovative treatments and comprehensive management of brain and spinal conditions, disorders and injuries. 

Dustin Hayward, MD

Dr. Dustin Hayward is a fellowship-trained neurosurgeon who specializes in brain tumors, cerebral aneurysms, endovascular treatment of stroke, spinal degenerative disease, pituitary tumors, and carotid and vertebral artherosclerotic disease. Read Dr. Hayward's full profile  

Board Eligible:  Neurosurgery

Request an appointment 425.899.5590.

Image of Dr. Dustin Hayward, fellowship-trained neurosurgeon specializing in minimally invasive neurosurgery, oncology, stenosis treatment at EvergreenHealth Spine & Neurosurgical Care near Seattle in Kirkland, WA.

Shiveindra Jeyamohan, MD

Dr. Shiveindra Jeyamohan is a fellowship-trained neurosurgeon who treats a variety of neurological disorders, including degenerative spine, spine trauma, spinal oncology and adult spine deformity. He offers both minimally invasive and open spine surgery. Read Dr. Jeyamohan's full profile 

Board Eligible:  Neurosurgery

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Interview | Symptoms and Treatments of Spinal Stenosis

Request an appointment 425.899.5590.

Image of Dr. Shiveindra Jeyamohan, neurosurgeon specializing in minimally invasive spine surgery at EvergreenHealth Spine & Neurosurgical Care near Seattle in Kirkland, WA.

Peter Nora, MD

Dr. Peter Nora is a neurosurgeon specializing in cranial and spine disorders including tumors, brain disorders and deep brain stimulation for Parkinson's and other movement disorders.   Read Dr. Nora's full profile  

Board Certified:  Neurosurgery

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Interview | Deep Brain Stimulation for Parkinson's Disease

Request an appointment 425.899.5590.

Image of Dr. Peter Nora, neurosurgeon specializing in tumors-disorders-deep-brain-stimulation-DBS-at EvergreenHealth Spine & Neurosurgical Care near Seattle in Kirkland, WA.

Kristen Crosley, ARNP

Kristen Crosley is an advanced nurse practitioner for Dr. Peter Nora, and is experienced in the management of patients with neurological conditions. She has coordinated the pre and post-operative clinical procedures, including DBS device programming for the treatment of Parkinson Disease, Essential Tremor and Dystonia for over 300 patients in the last four years. Read Kristen Crosley's full profile    

Interview | Deep Brain Stimulation

Request an appointment 425.899.5590.

Image of Kristen Crosley, ARNP, nurse practitioner at EvergreenHealth Spine & Neurosurgical Care in Kirkland, WA.

Samantha D'Andrea, PA-C

Samantha D'Andrea is a physician assistant. Read Samantha D'Andrea's full profile

Request an appointment 425.899.5590.

Image of Samantha D'Andrea, PA-C, physician assistant at EvergreenHealth Spine & Neurosurgical Care in Kirkland, WA.

Briccio Guillermo, PA-C

Briccio Guillermo is a physician assistant for Dr. Peter Nora. He manages patients in the clinic, operating room and hospital and is experienced with a wide range or neurosurgical needs from brain and spinal tumors to spine trauma, stenosis and disc herniations. Read Briccio Guillermo's full profile

Request an appointment 425.899.5590.

Image of Briccio Guillermo, physician assistant at EvergreenHealth Spine and Neurosurgical Care in Kirkland, WA.

Andrea Laizer, PA-C

Andrea Laizer is the physician assistant for Dr. Shiveindra Jeyamohan. Read Andrea Laizer's full profile

Request an appointment 425.899.5590.

Image of Andrea Laizer, PA-C, physician assistant at EvergreenHealth Spine & Neurosurgical Care in Kirkland, WA.