Faculty

Emily Becker, M.D.

Director
Pediatric Dermatology and Laser services
beckere@uthscsa.edu
Departments & Divisions
Department of Medicine
Department of Pediatrics
Division of Dermatology

Jesse Fike, M.D.

Assistant Professor/Clinical
fikej@uthscsa.edu
Departments & Divisions
Department of Medicine
Division of Dermatology

Programs
M.D. in Doctor of Medicine

Robert Gilson, M.D.

Associate Professor
Associate Program Director, GME Dermatology Residency
gilsonr@uthscsa.edu
Departments & Divisions
Department of Medicine
Division of Dermatology

Robert Christopher Gilson, MD

Assistant Professor/ Clinical
gilsonrc@uthscsa.edu
Departments & Divisions
Department of Medicine
Division of Dermatology

John LeVasseur, M.D.

Specialist

Departments & Divisions
Department of Medicine
Division of Dermatology

Cassandra Martinez, MSN, APRN, FNP-C

Departments & Divisions
Department of Medicine
Division of Dermatology

Alison Messer, M.D.

Director
Dermatopathology
messera@uthscsa.edu
Departments & Divisions
Department of Medicine
Division of Dermatology

Sandra Osswald, M.D.

Professor and Chief, Division of Dermatology and Cutaneous Surgery
Program Director, GME Dermatology Residency
osswald@uthscsa.edu
Departments & Divisions
Department of Medicine
Division of Dermatology

Valerie Shiu, MD

Director of MOHS Surgery & Procedural Dermatology
Associate Program Director, GME Dermatology Residency
fishervt@uthscsa.edu
Departments & Divisions
Division of Dermatology

Programs
M.D. in Doctor of Medicine

Richard Usatine, M.D.

usatine@uthscsa.edu
Departments & Divisions
Department of Family & Community Medicine
Division of Dermatology

Rodrigo Valdes Rodriguez, M.D.

Specialist
210-450-6355
valdesrodrig@uthscsa.edu
Departments & Divisions
Department of Medicine
Department of Pathology and Laboratory Medicine
Division of Dermatology

Holly Volz, M.D.

Assistant Professor
Director, Aesthetic & Laser Services
volz@uthscsa.edu
Departments & Divisions
Department of Medicine
Division of Dermatology

Na Xiong, Ph.D.

Professor
Department of Microbiology, Immunology & Molecular Genetics
xiongn@uthscsa.edu
Departments & Divisions
Department of Medicine
Department of Microbiology, Immunology & Molecular Genetics
Division of Dermatology

Programs
M.D./Ph.D. in South Texas Medical Scientist Training Program
M.S. in Immunology & Infection
Molecular Immunology & Microbiology
Ph.D. in Integrated Biomedical Sciences