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Faculty & Staff

Photo of Dr. Ali Bydon, M.D.

Bydon, Ali, M.D.

Professor of Neurosurgery
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
 
Photo of Dr. Justin Michael Caplan, M.D.

Caplan, Justin Michael, M.D.

Assistant Professor of Neurosurgery
 
Photo of Dr. Kaisorn Lee Chaichana, M.D.

Chaichana, Kaisorn Lee, M.D.

Assistant Professor of Neurosurgery
Assistant Professor of Oncology
Assistant Professor of Otolaryngology - Head and Neck Surgery
 
Photo of Dr. Alexander Lewis Coon, M.D.

Coon, Alexander Lewis, M.D.

Assistant Professor of Neurosurgery
Assistant Professor of Neurology
Assistant Professor of Radiology and Radiological Science
Director of Endovascular Neurosurgery
Director of Endovascular Neurosurgery Fellowship Program
 
Photo of Dr. Judy Huang, M.D.

Huang, Judy, M.D.

Professor of Neurosurgery
Vice Chair of Neurosurgery, Johns Hopkins University School of Medicine
Director, Department of Neurosurgery, Johns Hopkins Bayview Medical Center
Director of Cerebrovascular Neurosurgery, Johns Hopkins Bayview Medical Center
Director, Neurosurgery Residency Program
Director, Cerebrovascular Neurosurgery Fellowship Program
Co-Director, Multidisciplinary Adult Cranioplasty Center
Co-Director, Chiari Center
 
Photo of Dr. Mark Gregory Luciano, M.D., Ph.D.

Luciano, Mark Gregory, M.D., Ph.D.

Professor of Neurosurgery
Professor of Pediatrics
Director of the Cerebral Fluid Center
The Berry-Brem Professor in Neurosurgery
 
Photo of Dr. Nicholas Theodore, M.D., M.S.

Theodore, Nicholas, M.D., M.S.

Professor of Neurosurgery
Professor of Biomedical Engineering
Professor of Orthopaedic Surgery
Professor of Pediatrics
Director, Neurosurgical Spine Center
 
Photo of Dr. Timothy Francis Witham, M.D.

Witham, Timothy Francis, M.D.

Professor of Neurosurgery
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
 
Photo of Dr. Corinna Clio Zygourakis, M.D.

Zygourakis, Corinna Clio, M.D.

Instructor of Neurosurgery
 

Jared Abay, MS, PA-CAbay, Jared, MS, PA-C

Jared Abay, MS, PA-C, is a senior physician assistant in the Department of Neurosurgery at Johns Hopkins Bayview. He earned an undergraduate degree at George Washington University, where he also completed physician assistant training. Abay also earned a master's of science with emphasis in neurosurgery at the University of Nebraska and completed a physician assistant surgical residency program at Sinai Hospital in Baltimore.

Andrea Blaine, MPAS, PA-CBlaine, Andrea, MPAS, PA-C

Andrea Blaine, MPAS, PA-C, is a physician assistant in the Department of Neurosurgery at Johns Hopkins Bayview Medical Center.

Jesse Bortell, MPAS, PA-CBortell, Jesse, MPAS, PA-C

Jesse Bortell, MPAS, PA-C, joined the Department of Neurosurgery at Johns Hopkins Bayview Medical Center as a physician assistant in 2017. After being honorably discharged from the United States Marine Corp., he earned a bachelor’s degree in biology at Towson University, followed by a master’s in physician assistant studies at Chatham University.

Helen Kindelan, MMS, PA-CKindelan, Helen, MMS, PA-C

Helen Kindelan, MMS, PA-C, is a physician assistant in the Department of Neurosurgery at Johns Hopkins Bayview Medical Center. After earning a bachelor's degree in biology at Barry University in Miami, Florida, she went on to complete a joint degree program at Miami Dade College and Saint Francis University, earning a degree in physician assistant studies and a master's in medical science.

Minda (Alex) Zhu, MMS, PA-CZhu, Minda (Alex), MMS, PA-C

Minda (Alex) Zhu, MMS, PA-C, is a physician assistant in the Department of Neurosurgery at Johns Hopkins Bayview Medical Center. He earned a bachelor's degree in cell biology and neuroscience at Rutgers University, followed by a master's degree in medical science from Arcadia University.

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