About us

Mark J. Dannenbaum, MD, is a board-certified and fellowship-trained neurosurgeon with vascular and endovascular surgery expertise. He specializes in cerebrovascular and neuroendovascular surgery, retinoblastoma, skull base neurosurgery, and cerebrovascular open microneurosurgery. He’s committed to providing exceptional clinical care to his patients. Throughout the evaluation and treatment process, referring physicians are kept informed about patient progress, and the clinic team encourages continued communication about each referred patient.
Dannenbaum is an associate professor in the Vivian L. Smith Department of Neurosurgery at McGovern Medical School at UTHealth Houston. Before joining UTHealth Houston, Dannenbaum was a clinical instructor and senior associate for the Department of Neurosurgery at Emory University School of Medicine. 
Dannenbaum received his medical degree from McGovern Medical School and completed his neurosurgery residency at Baylor College of Medicine. After receiving his neurosurgery fellowship training at Harvard Medical School, he completed a second vascular and endovascular neurosurgery fellowship at Emory University School of Medicine in Atlanta.
He’s a member of the Congress of Neurological Surgeons and the American Association of Neurological Surgeons. He has presented research at several national conferences, and his work has been published in the Journal of Neurosurgery and other journals.