Conditions affecting the spine are often complex. To help you manage pain and restore as much function as possible, we've gathered a group of experts who work together to ensure seamless continuity of care that addresses your total well-being. Our spine team includes world-renowned neurosurgeons, neurologists, pain specialists, physical medicine and rehabilitation physicians and therapists, who collaborate to develop a unique treatment plan for each patient.
Director of the Neurosurgical Spine Center

Nicholas Theodore, M.D., M.S. keyboard_arrow_right
Professor of Biomedical Engineering
Professor of Orthopaedic Surgery
Professor of Pediatrics
Director, Neurosurgical Spine Center
Spine Neurosurgeons

Allan Joel Belzberg, M.D. keyboard_arrow_right
Professor of Plastic and Reconstructive Surgery
Director, Peripheral Nerve Surgery
Co-Director, Neurosurgery Pain Research Institute
George J. Heuer Professor of Neurosurgery
Co-Director, Kennedy Krieger Pediatric Nerve Injury Program

Ali Bydon, M.D. keyboard_arrow_right
Co-Director of Neurosurgery Medical Student Education
Director of Neurosurgery Undergraduate Student Education
Director of Spinal Outcomes and Biomechanics Laboratory
Clinical Director of Spine Program at Johns Hopkins Bayview Medical Center

Sheng-Fu Larry Lo, M.D., M.H.S. keyboard_arrow_right
Co-Director, Spinal Oncology

Daniel Michael Sciubba, M.D. keyboard_arrow_right
Professor of Oncology
Professor of Orthopaedic Surgery
Professor of Radiation Oncology and Molecular Radiation Sciences
Director, Spine Tumor and Spine Deformity Surgery
Co-Director, Spinal Column Biomechanics and Surgical Outcomes
Director, Spine Research

Timothy Francis Witham, M.D. keyboard_arrow_right
Professor of Orthopaedic Surgery
Director, the Johns Hopkins Neurosurgery Spinal Fusion Laboratory
Director, Johns Hopkins Bayview Medical Center's Spine Program
Co-Program Director, Johns Hopkins Neurosurgery Residency Program
Advanced Practitioners
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Cassandra Blair, PA-C
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Laura Blanchfield, NP, CRNP
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Elizabeth Marinaro, MSPA, PA-C
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Julianna (Julie) McCracken, PA-C
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Roma Patel, MMS, PA-C
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Alex Minda Zhu, PA-C
Other Neurosurgeons We Work With

William Stanley Anderson, M.A., M.D., Ph.D. keyboard_arrow_right

Chetan Bettegowda, M.D., Ph.D. keyboard_arrow_right

Judy Huang, M.D. keyboard_arrow_right

Shih-Chun Lin, M.D., Ph.D. keyboard_arrow_right

Jared Joseph Marks, M.D. keyboard_arrow_right

Jon David Weingart, M.D. keyboard_arrow_right
Rehabilitation Team

Akhil Chhatre, M.D. keyboard_arrow_right

Andrew Manuel Nava, M.D. keyboard_arrow_right
Other Staff Members
Ramsey, Nicole
Surgical Coordinator
Suk, Ian
Medical Illustrator