Directory

Frank Fichtel, MD

PRN

210-450-9060

Jonathan Fisher, MD

Faculty Member

John R. Floyd II, MD, FAANS

Chair - Department of Neurosurgery, Carl Raba Family Chair in Neuro-Oncology
Professor of Neurosurgery and Otolaryngology

210-450-9060

David Garza

Project Coordinator

Michael Gaub, MD

PGY VII
Education Program
Residency

Medical School

Medical School (MD) - University of Arizona College of Medicine - Tucson, 2016-2020

Undergraduate Studies

Undergraduate (BS in Biochemistry) - Arizona State University, 2008-2013

Joanna Gernsback, MD

Assistant Professor • Neurosurgery

210-450-9060

Pegah Ghamasaee, MD

Faculty Member

Samantha Gonzalez, PA, MS

Advanced Practice Provider

210-450-9060

Cristian Gragnaniello, MD, PhD

Assistant Professor of Neurosurgery
Spine and Skull Base Neurosurgery

210-450-9060

Marissa Gulbis, MPAS, PA-C

Advanced Practice Provider

210-450-9060

Rajesh Gunaji, MD

PGY VII
Education Program
Residency

Medical School

Doctor of Medicine: Uniformed Services University of the Health Sciences, Bethesda, MD, 2015-2019

Undergraduate Studies

Bachelor of Arts: (1) Neuroscience and (2) Public Health Studies, Johns Hopkins University, Baltimore, MD, 2007-2011

Hyeju Jeon, DNP

Nurse Practitioner

Christian Kaculini, MD

PGY IV
Education Program
Residency

Medical School

The University of Texas Health Science Center at San Antonio Long School of Medicine

Suman Kanji

Research Scientist

Katherine Karahalios

PGY I
Education Program
Residency