Physician Leadership

Michael N. Brant-Zawadzki, M.D.

• Radiology & Neuroradiology, Senior Physician Executive
• Ron & Sandi Simon Executive Medical Director Endowed Chair, Pickup Family Neurosciences Institute
• Hoag Hospital, Executive Medical Director, Pickup Family Neurosciences Institute

Gustavo Alva, MD

• Psychiatry, Senior Brain Health

Lauren L. Bennett, PhD

• Clinical Neuropsychologist

Mindy K. Bixby, DO

David M. Brown, M.D.

• Program Director, Hoag Stroke Program

Jose A. Carrillo, MD

• Neuro-Oncologist
• Medical Oncologist

Christopher M. Duma, M.D.

• Neurosurgery, Stereotactic Radiosurgery, Program Director Brain Tumor Program

Keyvan Esmaeili, MD

• Medical Director, Fudge Family Acute Rehabilitation Unit

Steven R. Ey, M.D.

• Hoag Addiction Treatment Centers

Renee M. Garcia, MD

• Psychiatry, Consult & Liaison

Pawel P. Jankowski, MD

• Neurosurgery, Spine Scoliosis

Yasir N. Jassam, MD

• Neurology/Multiple Sclerosis, Neuroimmunology & Myeloneuropathy

Robert G. Louis Jr, M.D.

• Empower360 Endowed Chair in Skull Base and Minimally Invasive Neurosurgery
• Program Director, Skull Base and Pituitary Tumor Program

Andrew D. Ly, M.D.

• Concussion/Mild TBI Program
• Program Director, Neurophysiology Services

Vivek A. Mehta, MD

• Neurosurgeon, Chief of Service, Hemorrhagic Stroke and Epilepsy Neurosurgical Services

David E. Millett, M.D.

• Program Director, Epilepsy

Burak M. Ozgur, M.D.

• Medical Director, Chief of Service, Neurosurgical Spine Program

C. Philip O’Carroll, M.D

• Program Director, Neurobehavioral Medicine Program at Hoag Neurosciences Institute

Jose J. Puangco, M.D.

• ABMS, FAASM Sleep Disorders
• Service Chief, Judy & Richard Voltmer Sleep Center

Matthew J. Reed, MD

• Addiction & Psychiatry

Aaron R. Ritter, MD

• Larkin Family Endowed Chair in Integrative Brain Health and Director, Memory & Cognitive Disorders Program

Sina M Safahieh, MD

• Program Director, ASPIRE at Hoag

Saulena S. Shafer, DO

• Neurologist and Movement Disorders Specialist

William R. Shankle, M.D.

• Judy & Richard Voltmer Endowed Chair in Memory and Cognitive Disorders
• F.A.C.P. Memory and Cognitive Disorders

Sandeep K. Thakkar, D.O.

• Neurologist and Movement Disorders Specialist

Daniel S. Yanni, MD

• Neurosurgery/Spine R&D

Shawn Zardouz, MD

• Medical Director