Neurological Surgery About Us Message from the Chair Contact Us Education & Training HS, Undergrad & MS Education Opportunities Residency Program Fellowship Programs Research Clinical Expertise Faculty Fellowship Programs Home Research Clinical Departments Neurological Surgery Education & Training Fellowship Programs Advanced Training in Neurosurgery The UCI Department of Neurological Surgery is home to fellowship training programs in a range of subspecialty areas. Explore Our Fellowship Programs CAST Neuroendovascular Surgery Fellowship Program Leadership Shuichi Suzuki, MD, PhD, program director, CAST-certified and ABNS RFP-certified in CNS and endovascular surgery Kiarash Golshani, MD, co-director About the Program CAST Neuroendovascular Surgery Fellowship program accepts one fellow every two years. The fellowship is a structurally supervised 24-month, full-time position from July 1 through June 30. The training program combines a multidisciplinary approach to patient care with state-of-the-art technologies. The fellowship also has some clinical research involvement. The fellow will hold an academic appointment as health sciences clinical instructor/fellow. The program participates in the SNIS Neurointerventional Fellowship Match SNIS Neurointerventional Fellowship Match Applicant Information. Main Practice Site UCI Health – Orange 101 The City Drive South, Orange, CA 92868 Cerebrovascular Skull Base Neurological Surgery Fellowship Program Leadership Frank P.K. Hsu, MD, PhD, program director About the Program The Cerebrovascular Skull Base Neurological Surgery Fellowship program accepts one fellow every year. The fellowship is a structurally supervised, comprehensive, 12-month, full-time position from July 1 through June 30. The training program uses state-of-the-art technologies, combining a full spectrum of skull base and complex cranial surgeries with interdisciplinary management of patients. The fellow participates in preoperative and postoperative care through outpatient clinics at two sites with some clinical research involvement. The fellow participates in teaching conferences, Journal Club and hands-on skills labs. The fellow will hold an academic appointment as health sciences clinical instructor/fellow. For open fellowship positions, please visit the UCI Recruit website. Main Practice Site UCI Medical Center 101 The City Drive South, Orange, CA 92868 Stereotactic and Functional Neurological Surgery Fellowship Program Leadership Frank P.K. Hsu, MD, PhD, program director About the Program The Stereotactic and Functional Neurological Surgery Fellowship program accepts one fellow every year. The fellowship is a structurally supervised, comprehensive, 12-month, full-time position. The training program employs state-of-the-art technologies in a multidisciplinary environment. The fellow will be a part of a team that is dedicated to providing patients with movement disorders (Parkinson’s disease, tremors, dystonia, epilepsy, chronic pain, neurological injuries and psychiatric disorders) the best surgical treatment options, including deep brain stimulation (DBS) therapy. The fellowship also has some clinical research involvement. The fellow will hold an academic appointment as health sciences clinical instructor/fellow. For open fellowship positions, please visit the UCI Recruit website. Main Practice Site UCI Medical Center 101 The City Drive South, Orange, CA 92868 Epilepsy Neurological Surgery Fellowship Program Leadership Sumeet Vadera, MD, program director About the Program The Epilepsy Neurological Surgery Fellowship program accepts one fellow every year. The fellowship is a structurally supervised, 12-month, full-time position from July 1 through June 30. The training program combines state-of-the-art technologies with a multidisciplinary approach to patient care. The fellowship also has some clinical research involvement. The fellow will hold an academic appointment as health sciences clinical instructor/fellow. For open fellowship positions, please visit the UCI Recruit website. Main Practice Site UCI Medical Center 101 The City Drive South, Orange, CA 92868 CAST Neurosurgical Critical Care Fellowship Program Leadership Jefferson W. Chen, MD, PhD, program director, CAST-certified, ABNS RFP-certified in neurological critical care and United Council for Neurologic Subspecialties Neurocritical Care-Certified About the Program The CAST Neurosurgical Critical Care Fellowship is an accredited fellowship program recognized by the American Board of Neurological Surgery, accepting one fellow every year. The fellowship is a structurally supervised, 12-month, full-time position from July 1 through June 30. The training program combines state-of-the-art technologies with a multidisciplinary approach to patient care that includes rotations with neurology, trauma, critical care medicine and anesthesiology. The fellowship also has some clinical research involvement. The fellow will hold an academic appointment as health sciences clinical instructor/fellow. For open fellowship positions, please visit the UCI Recruit website. Learn more about the fellowship Main Practice Site UCI Medical Center 101 The City Drive South, Orange, CA 92868 Meet Our Fellows Current Fellows Megan Rajagopal, MD 2025-2026 CAST Neurosurgical Critical Care Fellow Residency: Virginia Commonwealth Health Systems Neurological Surgery Angie Zhang Lung, MD 2026-2027 Skull Base Neurological Surgery Fellow Residency: UCI Neurological Surgery Past Fellows Benjamin Uy, MD, PhD 2025-2026 Skull Base Neurological Surgery Fellow Residency: UCLA Neurological Surgery Tigran Khachatryan, MD 2023-25 Neurointerventional Surgery Fellow Medical School: University of California, Irvine Nolan Winslow, MD 2024-25 Skull Base Neurological Surgery Fellow 2023-24 Epilepsy Neurological Surgery Fellow Medical School: University of Illinois, Peoria Joseph Lockwood, MD Academic Practice: Assistant Professor of Neurological Surgery at Tulane, University School of Medicine 2023-24 Skull Base Neurological Surgery Fellow Medical School: Tulane University/Ochsner Clinic Foundation Justin Granstein, MD, MPH Academic Practice: Beth Israel Deaconess Medical Center/Harvard SOM, Boston, Mass. 2021-23 Neurointerventional Surgery Fellow Neurocritical Care Fellow, Mount Sinai Hospital Maheen Khan, MD Academic Practice: University of St. Louis 2022-23 Skull Base Fellow, Stereotactic & Functional Neurosurgery Fellow Medical School: St Louis University Michael G. Kim, MD Private Practice: Long Beach, Calif.; VOL Assistant Clinical Professor, UCI Department of Neurological Surgery 2021-22 Skull Base Neurosurgery Fellow, Stereotactic & Functional Neurosurgery Fellow Medical School: New York Medical College Brendan Fong, MD Practice: Neurosurgery of St. Louis 2020-21 Skull Base Neurosurgery Fellow, Stereotactic & Functional Neurosurgery Fellow Medical School: Washington University School of Medicine Kamran Urgun, MD 2019-20 Skull Base Neurosurgery Fellow, Stereotactic & Functional Neurosurgery Fellow Andrew Schnure, DO Practice: USC Arcadia Hospital-Keck Medicine of USC, Arcadia, Calif. 2018-20 Neurointerventional Surgery Fellow Dustin Hatefi, MD Academic Practice: Department of Neurological Surgery, University of California, San Diego 2018-19 Skull Base Neurosurgery Fellow Medical School: University of California, San Diego Ali O. Jamshidi, MD Practice: Kaiser Permanente, Los Angeles 2017-18 Skull Base Neurosurgery Fellow Medical School: The Ohio State University Ravi Patel, MD 2016-18 Neurointerventional Surgery Fellow Medical School: SUNY Upstate Medical University Mark Calayag, MD Practice: Kaiser Permanente 2016-17 Skull Base Neurosurgery Fellow Medical School: Albany Medical College Gilbert Cadena, MD 2015-16 Skull Base Neurosurgery Fellow Medical School: University of California, Davis Thomas P. Lo, MD 2014-15 Endovascular Surgical Radiology Fellow Medical School: Loma Linda University Robert E. Ayer, MD 2013-14 Skull Base Neurosurgery Fellow Medical School: Loma Linda University Contact Us For more information about our fellowship programs, please contact: Leslie Weterrings, C-TAGME Education Program Manager lweterri@hs.uci.edu