Mark Dannenbaum, MD
Mark J. Dannenbaum, MD, is a fellowship-trained neurosurgeon with expertise in vascular and endovascular surgery who specializes in cerebrovascular and neuroendovascular surgery, retinoblastoma, skull base neurosurgery and cerebrovascular open micro-neurosurgery. Dr. Dannenbaum received his medical degree from McGovern Medical School…
Peng R. Chen, MD
Dr. P. Roc Chen is a Professor of Neurosurgery at McGovern Medical School at UTHealth Houston. He received his medical degree at Sun Yat-Sen University of Medical Sciences in Guangzhou, China, followed by residencies at Brigham and Women’s Hospital and…
Ryan S. Kitagawa, MD
Dr. Ryan Kitagawa is an assistant professor at McGovern Medical School at UTHealth with a primary clinical and research focus in the care of adult patients with Traumatic Brain Injury (TBI). He strives to provide top quality care to all…
Karl M. Schmitt, MD
Karl Schmitt, MD, is an assistant professor of neurosurgery at McGovern Medical School at UTHealth and is board certified by the American Association of Neurological Surgery. Dr. Schmitt is a graduate of The University of Texas Medical Branch at Galveston;…
Nitin Tandon, MD
Visit the Tandon Research Laboratory Board Certifications American Board of Neurological Surgery Dr. Nitin Tandon is a professor and neurosurgeon with the Vivian L. Smith Department of Neurosurgery at UTHealth Medical School. Dr. Tandon also serves UTHealth Houston as the…
Stephen Fletcher, DO
Stephen A. Fletcher, DO, received his medical degree at the University of North Texas Health Science Center’s Texas College of Osteopathic Medicine, and completed his neurosurgery residency at The University of Texas Health Science Center at Houston/Memorial Hermann-Texas Medical Center…
Huimahn A. Choi, MD, MS
Board Certifications Diplomate, American Board of Psychiatry and Neurology
Jay-Jiguang Zhu, MD, PhD
Board Certifications American Board of Psychiatry and Neurology Dr. Jay-Jiguang Zhu earned his medical degree from McGill University in Montreal, Quebec, Canada. He completed his residency training in neurology at Tufts University School of Medicine in Boston, Mass. He subsequently…
John P. Hagan, PhD
Dr. Hagan received his Ph.D. from the University of Pittsburgh under the mentorship of the HHMI Investigator Dr. Paula Grabowski where his research focused on elucidating the molecular mechanisms responsible for exon definition during pre-mRNA alternative splicing. His initial postdoctoral…
