Mari Groves, M.D.

Mari Louise Groves, M.D.

Headshot of Mari Groves
  • Assistant Director, Neurosurgery Residency Program
  • Associate Professor of Neurosurgery

Specializes in: Adolescents (12-18 years), Adults (18+ years), Children (1-11 years), Infants (up to 1 year)



Brain Tumors, Chiari Malformations, Epilepsy Surgery, Hydrocephalus, Intramedullary Spinal Cord Tumors, Lipoma, Myelomeningocele, Neurological Surgery, Pediatric Spinal Deformity, Scoliosis, Skeletal Dysplasias, Spina Bifida, Spinal Cord Injury, Spinal Cord Tumors, Spinal Dysraphism more

Research Interests

Spinal Deformity; Skeletal Dysplasia; Intramedullary Spinal Cord Tumors more

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Outside of Maryland & Washington D.C.

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The Johns Hopkins Hospital

Appointment Phone: 410-955-7337
600 N. Wolfe Street
Phipps 554
Baltimore, MD 21287
The Johns Hopkins Hospital - Google Maps


Dr. Groves is a pediatric neurosurgeon who treats children with brain and spinal cord tumors, Chiari Malformations, myelomeningocele, spasticity and epilepsy. She also focuses on spinal deformity and spinal oncology. more


  • Assistant Director, Neurosurgery Residency Program
  • Associate Professor of Neurosurgery

Departments / Divisions

Centers & Institutes



  • MD; Vanderbilt University School of Medicine (2007)


  • Neurological Surgery; Johns Hopkins University School of Medicine (2014)


  • Neurological Surgery; Johns Hopkins University School of Medicine (2015)
  • Shriners Hospitals for Children (2015)

Board Certifications

  • American Board of Neurological Surgery (Neurosurgery) (2019)
  • American Board of Pediatric Neurological Surgery~ (Pediatric Neurological Surgery) (2019)

Research & Publications

Selected Publications

View all on PubMed

Liu A, Sankey EW, Bettegowda C, Burger PC, Jallo GI, Groves ML.  Poor prognosis despite aggressive treatment in adults with intramedullary spinal cord glioblastoma.   J Clin Neurosci. 2015 Oct;22(10):1628-31. doi: 10.1016/j.jocn.2015.05.008. Epub 2015 Jun 30.

Wang Y, Springer S, Zhang M, McMahon KW, Kinde I, Dobbyn L, Ptak J, Brem H, Chaichana K, Gallia GL, Gokaslan ZL, Groves ML, Jallo GI, Lim M, Olivi A, Quinones-Hinojosa A, Rigamonti D, Riggins GJ, Sciubba DM, Weingart JD, Wolinsky JP, Ye X, Oba-Shinjo SM, Marie SK, Holdhoff M, Agrawal N, Diaz LA Jr, Papadopoulos N, Kinzler KW, Vogelstein B, Bettegowda C.  Detection of tumor-derived DNA in cerebrospinal fluid of patients with primary tumors of the brain and spinal cord.  Proc Natl Acad Sci U S A. 2015 Aug 4;112(31):9704-9. doi: 10.1073/pnas.1511694112. Epub 2015 Jul 20.

Groves ML, Zadnik PL, Kaloostian P, Sui J, Goodwin CR, Wolinsky JP, Witham TF, Bydon A, Gokaslan ZL, Sciubba DM.  Epidemiologic, functional, and oncologic outcome analysis of spinal sarcomas treated surgically at a single institution over 10 years.  Spine J. 2015 Jan 1;15(1):110-4. doi: 10.1016/j.spinee.2014.07.005. Epub 2014 Jul 17.

Activities & Honors


  • Membership to Alpha Omega, Vanderbilt University, 2006
  • Neuro-Oncology Research Fellowship, NIH Johns Hopkins, 2011 - 2013


  • Congress of Neurological Surgeons
  • American Association of Neurological Surgeons
  • American Society of Pediatric Neurosurgeons
  • American Board of Pediatric Neurological Surgery

Professional Activities

  • Founding Member and Executive Director, NeuroHope, Inc.

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