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Gary Gallia, M.D., Ph.D.

Gary Louis Gallia, M.D., Ph.D.
Director of the Neurosurgery Skull Base Center
Associate Professor of Neurosurgery


Appointment Phone


Main Location

The Johns Hopkins Hospital

Out-of-State & International Patients +
Out of State Patients

Call 410-464-6641 (8a.m. to 6p.m., EST, Mon-Fri)

Learn more about our out-of-state patient services »

International Patients

Call +1-410-502-7683 (7a.m. to 6p.m., EST, Mon-Fri)

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  • Director of the Neurosurgery Skull Base Center
  • Director of Endoscopic and Minimally Invasive Neurosurgery
  • Associate Professor of Neurosurgery
  • Associate Professor of Oncology
  • Associate Professor of Otolaryngology - Head and Neck Surgery

Centers & Institutes



The Johns Hopkins Hospital

Appointment Phone: 410-614-0585

600 N. Wolfe Street
Phipps Building, Suite 118
Baltimore, MD 21287 map
Phone: 410-614-0585

Johns Hopkins Outpatient Center

Appointment Phone: 410-955-6406

601 N. Caroline Street
Baltimore, MD 21287 map

Johns Hopkins Bayview Medical Center

Appointment Phone: 410-550-0465

4940 Eastern Avenue
Baltimore, MD 21224 map


Brain Cancer, Brain Tumors, Cerebrospinal Fluid (CSF) Leaks, Cholesterol Granuloma, Chordomas, Chrondrosarcoma, Clival Tumors, Encephalocele, Endoscopic Repair of Nasal Cerebrospinal Fluid Leaks, Endoscopic Resection of Nasal Tumors, Endoscopic Skull Base Surgery, Esthesioneuroblastoma, Glioblastoma, Gliomas, Meningiomas, Neurosurgery , Paranasal Sinus Tumors, Parasellar Tumors, Pituitary Tumors, Sellar Tumors, Skull Base Tumors, Suprasellar Tumors

Research Interests

Novel therapeutics against malignant brain and skull base tumors; Outcomes following endonasal endoscopic skull base surgery; and Development of next generation intraoperative endoscopic platforms.


Dr. Gary Gallia's specialty is endoscopic endonasal surgical approaches to skull base pathologies with a focus on neurosurgical oncology. He utilizes the latest techniques in preoperative imaging, computer guided surgical navigation, intraoperative monitoring and minimally invasive and neuroendoscopic approaches in the management of patients with benign and malignant brain tumors, metastatic tumors to the brain, skull base neoplasms and pituitary tumors.

Dr. Gary Gallia graduated summa cum laude from the Gibbons Scholar MD/PhD program at Jefferson Medical College and Thomas Jefferson University. He completed his general surgery internship at The Johns Hopkins Hospital where he was awarded surgical intern of the year. He then completed his neurological surgery residency and a postdoctoral fellowship in neuro-oncology at The Johns Hopkins Hospital. Following residency, he completed a minimally invasive and endoscopic neurosurgery fellowship with Dr. Charles Teo at the Prince of Wales Private Hospital and Sydney Children's Hospital in Sydney, Australia. more

Featured Video

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    Additional Information

  • Education +


    • Thomas Jefferson University / MD PhD; Biochemistry and Molecular Biology (2000)


    • Johns Hopkins University School of Medicine / Neurosurgery (2007)


    • Center for Minimally Invavise Neurosurgery / Neurosurgery (2008)


    • American Board of Neurological Surgery / Neurological Surgery (2014)
  • Research & Publications +

    Research Summary

    Dr. Gallia is involved in screening pediatric glioblastomas for mutations in the PIK3CA gene and identifying and testing PIK3CA/Akt pathway inhibitors. Also, along with Dr. Siu, he has performed transcript profiling of glioblastoma stem-like cells to identify and subsequently analyze candidate marker genes.

    Selected Publications View all on PubMed

    Joshi AD, Loilome W, Siu IM, Tyler B, Gallia GL, Riggins GJ. Combined Receptor Tyrosine Kinase Inhibition of Glioblastoma Multiforme. Neuro-oncology 2011 (submitted).

    Liu WP, Mirota DJ, Uneri A, Otake Y, Hager D, Reh DD, Ishii M, Gallia GL, Siewerdsen JH. A clinical pilot study of a modular video-CT augmentation system for image-guided skull base surgery. SPIE 2011 (submitted).

    Jackson C, Pradilla G, Batra S, Amin A, Olivi A, Weingart J, Brem H, Quinones-Hinojosa A, Gallia GL, Redmond K, Kleinberg L, Rigamonti D, Lim M. Resection followed by stereotactic radiosurgery to the resection cavity for the treatment of brain metastasis. J Neurosurg 2011 (submitted).

    Chaichana KL, Pendleton C, Zaidi H, Olivi A, Weingart JD, Gallia GL, Lim M, Brem H, Quinones-Hinojosa A. Seizure control for patients undergoing meningioma surgery. World Neurosurg 2011 (submitted).

    Melvin TAN, Gallia GL, Reh DD. Onodi cells: A potential pitfall of the traditional transseptal approach to sellar tumors. 2011 (submitted).

    Melgary T, Batra S, Lim M, Gallia GL, Burger P, Salvatori R, Wand G, Quinones-Hinojosa A, Kleinberg L, Redmond K. Invasive adenomas and pituitary carcinomas: A SEER database analysis. J of Neuro-Oncology (submitted).
    Gary L. Gallia, M.D., Ph.D. - 7

    Hwany HJ, Wu J, Giovanella BC, Hruban RH, Eshleman JR, Yan H, Bigner DD, Riggins GJ, Gallia GL, Leigeois N, Chuang AY, Markowitz SD, Willis JE, Malek SN, Vogelstein B, Kinzler KW, Papadopoulos N, The number and nature of fused transcripts resulting from DNA translocations in human cancers. Nature Genetics 2011(submitted).

    Chaichana KL, Garza-Ramos RD, Martinez-Gutierrez JC, Olivi A, Weingart JD, Gallia GL, Lim M, Brem H, Quinones-Hinojosa A. Functional outcomes for patients with glioblastoma who present with poor preoperative functional status (submitted).

    Chaichana KL, Pendleton C, Jackson C, Martinez-Gutierrez C, Diaz-Stransky A, Aguayo J, Olivi A, Weingart JD, Gallia GL, Lim M, Brem H, Quinones-Hinojosa. Deep venous thrombosis and pulmonary enbolism in adult patients underoing craniotomy for brain tumors (submitted).

    Chaichana KL, Zadnik P, Olivi A, Weingart JD, Gallia GL, Laterra JJ, Lim M, Brem H, Quinones-Hinojosa A. The role of extent of resection for patients with glioblastoma who present with poor pre-operative functional status (submitted).

    Chaichana KL, Martinez-Gutierrez JC, Garza-Ramos RD, Weingart JD, Olivi A, Gallia GL, Lim M, Brem H, Quinones-Hinojosa A. Factors associated with survival for glioblastoma patients who present with poor pre-operative functional status (submitted).
  • Academic Affiliations & Courses +
  • Activities & Honors +
  • Videos & Media +


    Patient video: Transnasal Endoscopic Surgery - Sofia's Story

    Recent News Articles & Media Coverage

    Surprise Finding Yields a Possible Tumor-Fighting Drug, Doorways to Discovery (2014)

    FDA-Approved Lung Cancer Drug Shrinks Chordomas, Drug, Discovery & Development (12/11/2013)

    $200K fundraising challenge met, drug screening being, Chordoma Foundation (05/18/2012)

    Winning the War on Collateral Damage, NeuroLogic (Spring 2011)

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