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For Referring Physicians

REX Neurosurgery & Spine Specialists treat disorders of the brain, spine and peripheral nerves. They help patients with injuries and diseases, such as brain and spinal cord tumors, back and neck pain and numbness or weakness throughout the body. Drs. Buttram, Engler, Koeleveld, Lacin and St. Clair are among the area’s top neurosurgeons and collaborate with specialists at the UNC Department of Neurosurgery and oncologists at the REX Cancer Center to provide advanced treatment for complex and routine neurological conditions. All of our physicians work closely with our experienced physician assistants to ensure that patients have timely access to a care team member for questions.

REX Neurosurgery & Spine Specialists consider every referring physician an integral part of our care team and are committed to communication and collaboration with each patient's physician.

In addition, UNC CareLink offers a robust menu of options and page-views, allowing you to access the information you need when you need it.  If you would like information on how to gain access to UNC CareLink, please contact our physician relations department at

Referral Resources

Referral Form
Print and fill out this form, then fax it to REX Neurosurgery & Spine Specialists at (919) 784-1409 for a prompt patient referral.


Grant Buttram, M.D., F.A.A.N.S.
John Engler, M.D., F.A.A.N.S.
Robin Koeleveld, M.D., F.A.A.N.S.
Robert Lacin, M.D., F.A.A.N.S.
Samuel K. St. Clair, M.D.
Jessica Eaton, M.M.S., P.A-C.
Chricat Garrard, N.P.
Dan Ingram, P.A.-C
Shannon Vassallo, P.A.-C

Contact Information

Raleigh Office
4207 Lake Boone Trail, Suite 220
Raleigh, NC 27607

Clayton Office
34 Healthpark Way, Suite 100C 
Clayton, NC 27520

Holly Springs Office
781 Avent Ferry Road, Suite 204
Holly Springs, NC 27540

(919) 784-1410 T
(919) 784-1409 F

Our Expertise

We treat conditions involving the brain, spine and peripheral nerves. Some of the most common include:

  • Aneurysm
  • Brain and pituitary tumors
  • Bulging disc and herniated disc
  • Carpal tunnel syndrome
  • Carpal tunnel release
  • Cervical disc surgery
  • Cerebral hemorrhage
  • Chiari malformations
  • Craniotomy for tumor or aneurysm
  • Degenerative disc disease
  • Disc replacement
  • Herniated or ruptured disc disease
  • Hydrocephalus
  • Lumbar disc surgery
  • Minimally invasive spine surgery
  • Neck and low back pain
  • Nerve disorders and injuries
  • Radiculopathies
  • Reconstructive spine surgery
  • Scoliosis
  • Spinal Fusions
  • Spinal malformation
  • Spinal stenosis
  • Spondylolisthesis
  • Spinal trauma
  • Trigeminal neuralgia
  • Tumors of the spine and spinal cord
  • Vascular abnormalities of the spine

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