Together, Prevea Health and Neuroscience Group have partnered to provide world-class solutions for your back, neck, brain or nerve conditions. Our neurosurgical and spine care experts provide solutions that keep your goals in mind and help you get back to a healthy, vibrant life.
Neurosurgery
Your trusted back, neck and brain surgeons in Green Bay. Prevea's fellowship-trained neurosurgeons provide high-quality care in northeast Wisconsin.
![doctor holding a model of a human spine](/getmedia/a899c9fa-df0c-4330-bf07-752de98ed3f1/Services_Neurosurgery_spine.jpg?width=1280&height=720&ext=.jpg)
![doctor holding a model of a human spine](/getmedia/a899c9fa-df0c-4330-bf07-752de98ed3f1/Services_Neurosurgery_spine.jpg?width=1280&height=720&ext=.jpg)
![](/getmedia/920de87c-28dd-4649-80fd-929f861e3be6/prevea-logo-push-notif-wide.png?width=500&height=334&ext=.png)
Head and brain/cranial surgical and medical care
Neurosurgery for head trauma and injuries, brain and spinal cord tumors, Chiari malformation, aneurysms, arteriovenous malformations (AVM), hydrocephalus and other conditions.
![](/getmedia/920de87c-28dd-4649-80fd-929f861e3be6/prevea-logo-push-notif-wide.png?width=500&height=334&ext=.png)
Spine, back and neck surgical and medical care
Orthopedic spine surgery for scoliosis, spinal tumor, spondylosis, spondylolisthesis, herniated disc, compression fracture, degenerative disc disease, low back pain, kyphosis, radiculopathy, sacroiliac joint issues, carpal tunnel syndrome, ulnar nerve release and other conditions.
Meet our physicians and providers
![Alexander Hawkins](/getmedia/c38286ce-cd44-4d56-99d0-59d207690221/Hawkins_Alexander.jpg?width=255&height=295&ext=.jpg)
Alexander Hawkins, MD
Neurosurgeon, Neuroscience Group
![Andrew Greene](/getmedia/f6f29e30-faed-43b3-a9f3-648633a8bb23/Greene_Andrew.jpg?width=255&height=295&ext=.jpg)
Andrew Greene, DO
Orthopedic Spine Surgeon, Neuroscience Group
![Evan Krueger](/getmedia/25214975-d40f-49c0-b5f9-e539eecdf208/Krueger_Evan.jpg?width=255&height=295&ext=.jpg)
Evan Krueger, DO
Neurosurgeon
![Kasey Pigeon](/getmedia/2d906642-f056-4af8-8893-bccb87e67f03/Pigeon_Kasey.jpg?width=255&height=295&ext=.jpg)
Kasey Pigeon, PA-C
Physician Assistant, Neurosurgery
![Kelley Gossage](/getmedia/5e086212-2e3f-4126-aace-fdafcccb1d90/Gossage_Kelley.jpg?width=255&height=295&ext=.jpg)
Kelley Gossage, APNP, FNP-BC, MSCN
Nurse Practitioner, Neurosurgery
![Lauren Resch](/getmedia/e61aac13-ad16-4a4b-8eb1-aea12e70515e/Resch_Lauren.jpg?width=255&height=295&ext=.jpg)
Lauren Resch, APNP, FNP-BC
Nurse Practitioner, Neurosurgery
![Madeline Wallenburg](/getmedia/e9409304-630e-424c-b472-b70944054ab0/Wallenburg_Madeline.jpg?width=255&height=295&ext=.jpg)
Madeline Wallenburg, PA-C
Physician Assistant, Neurosurgery
![Marissa Schiedermayer](/getmedia/e6b8862e-ca5e-4dfa-9c4b-f4933671de86/Adrian_Marissa.jpg?width=255&height=295&ext=.jpg)
Marissa Schiedermayer, PA-C
Physician Assistant, Neurosurgery
![Philip Yazbak](/getmedia/a2e92021-d59f-4a7a-ae23-a04d12357bb5/Yazbak_Philip.jpg?width=255&height=295&ext=.jpg)
Philip Yazbak, MD, FAANS, FACS
Neurosurgeon, Neuroscience Group
![Randall Johnson](/getmedia/be9aa6c5-eaf1-4613-88bb-d53d05ca01d0/Johnson_Randall.jpg?width=255&height=295&ext=.jpg)
Randall Johnson, MD, PhD, FACS
Neurosurgeon, Neuroscience Group
![Robert Koffie](/getmedia/ba1259f9-629d-46bf-8618-566aa16292b3/Koffie_Robert.jpg?width=255&height=295&ext=.jpg)
Robert Koffie, MD, PhD
Neurosurgeon, Neuroscience Group
![Sumon Bhattacharjee](/getmedia/a2e2389f-2d55-4d1c-be47-d8f7ff3d731b/Bhattacharjee_Sumon.jpg?width=255&height=295&ext=.jpg)
Sumon Bhattacharjee, MD, FACS
Neurosurgeon, Neuroscience Group