Saint Thomas Medical Partners - Neurosurgery in partnership with the Howell Allen Clinic

The Howell Allen Clinic is dedicated to excellence in patient care through the comprehensive evaluation, diagnosis and treatment of disorders of the brain, spinal cord, and spinal and peripheral nerves.

We are committed to providing exceptional clinical care and service, utilizing the latest advances in neurological surgery. Our patients benefit from minimally invasive procedures, smaller incisions and accelerated recovery periods.

Graduates of the nation's best medical schools and neurosurgical training programs, our surgeons are credentialed and board-certified at the highest levels of professional achievement, resulting in unparalleled expertise in the field of neurosurgery.

Procedures   Locations   Physicians

Sports Concussion Program

Welcome to Howell Allen Clinic's Sports Concussion Program, where Dr. Jason Hubbard and his medical staff offer individualized and comprehensive management of sports concussions. To begin your assessment, click the button below.

Begin Baseline Test


For treatment of neck and back pain

  • Anterior Cervical Discectomy and Fusion
  • Artificial Disk Replacement
  • Carpal Tunnel Syndrome Treatment
  • Cervical Laminectomy
  • Decompressive Lumbar Laminectomy
  • Dorsal Column Stimulator
  • Kyphoplasty
  • Lumbar Discectomy / Laminectomy
  • Microscopic / Minimally Invasive Lumbar Discectomy
  • Spinal Fusion
  • Ulnar Nerve Decompression

For treatment of brain and spinal tumors

  • Intraoperative Neuronavigation BrainSuite
    • Eloquent fibertracting
    • Intraoperative MRI
    • NeuroBlate® laser interstitial thermal therapy for minimally invasive tumor treatment
    • Volumetric tumor resection
    • MRI guided biopsy
    • Navigated ventriculo-peritoneal shunts
    • Stereotactic endoscopically assisted transsphenoidal  hypophysectomy
  • Stereotactic Radiosurgery/Radiotherapy



Forms and Documents


Nothing shall be impossible.

As a mother and high school teacher, Dina Marks had every reason to experience daily headaches. By January 2013, however, an unrelated blood test revealed the true source of her headaches: Marks, at age 34, was diagnosed with a tumor on her pituitary gland. Read more at


Nothing shall be impossible.

In the summer of 2014, concert violist Monisa was diagnosed with a large benign brain tumor. After going to to see Drs. Steven Abram and Paul Rosenblatt of the multidisciplinary UNITY team at Saint Thomas West in Nashville, Saint Thomas gave Monisa her life and career back. Read more about her story at


Nothing shall be impossible.

When Brittany went with her church to Haiti, the first person she met getting off the plane was Jimmy Gel. Right away, Brittany noticed Jimmy was in constant pain. He had a hard time holding things and was having trouble walking. So, she sent an email to her bosses at Saint Thomas Health, asking if there was anything the hospital could do to help. Next thing you know, Gel was on a flight from Haiti to Nashville. Read more about their story at