Faculty

Adult Psychiatry Program

Peter Thompson
Peter Thompson, M.D., M.S.

Professor
Chairman
Hunt Family Endowed Chair in Psychiatry
Director, Southwest Brain Bank

Dr. Peter Thompson is a professor and the Hunt Family Endowed Chair of Psychiatry. He also serves as the Director of the Mood Disorders division and the Director of the Southwest Brain Bank. He had established the first brain bank at University of Texas Health Science Center San Antonio and now at Texas Tech University Health Sciences Center El Paso. 

Silvina Tonarelli
Silvina Tonarelli, M.D.

Associate Professor, Psychiatry
Program Director, Department of Psychiatry Residency Program

Dr. Silvina Tonarelli is the Psychiatry Residency Training Program director of the Alberta campus. She is also an associate professor in the TTUHSC El Paso Psychiatry Department and supervises residents in the outpatient neuropsychiatric division at TTUHSC El Paso and clinical liaison rotation at University Medical Center of El Paso.

Christopher Castaneda, M.D.
Christopher Castaneda, M.D.

Assistant Professor, Psychiatry
Assistant Clerkship Director
El Paso Psychiatric Center Intake Director

Dr. Christopher Castaneda joined the department in 2020. He is an assistant professor at the TTUHSC El Paso Psychiatry Department. He is also the assistant clerkship director and intake director of the El Paso Psychiatric Center. He supervises medical students and residents in the outpatient clinic and the admissions department.

 

Fabrizzio Delgado
Fabrizzio Delgado, M.D.

Assistant Professor, Psychiatry
Associate Program Director for the Combined IM-Psychiatry Residency Program
Consultation-Liaison Division Chief

Dr. Fabrizzio Delgado is an Assistant Professor at Texas Tech Psychiatry Department. He is the current Chief for the Consultation Liaison Division and Associate Program Director for the combined Internal Medicine / Psychiatry Residency Program. He supervises Residents and Medical Students in the Substance Use Disorders rotation at Aliviane and the Addiction Consultation service

Pamela Lopez, M.D.
Pamela Lopez, M.D.

Associate Professor, Psychiatry
Assistant Program Director – Transmountain Psychiatry Residency Program

Dr. Pamela Lopez is an assistant professor of psychiatry at Texas Tech University Health Sciences Center Transmountain. She currently supervises medical students at the outpatient clinic and residents and students on the consultation-liaison service at University Medical Center. 

Patricia Ortiz, M.D
Patricia Ortiz, M.D

Assistant Professor, Psychiatry
Clerkship Director

Dr. Patricia Ortiz is the clerkship director and an assistant professor in the TTUHSC El Paso Department of Psychiatry. She is also the academic medical director for Emergence Health Network and supervises residents in the outpatient psychiatric clinic at TTUHSC El Paso.

Moataz Ragheb, M.D.
Moataz Ragheb, M.D.

Associate Professor, Psychiatry
Program Director – Transmountain Psychiatry Residency Program

Moataz M. Ragheb, M.D., Ph.D., joins the TTUHSC El Paso team as an associate professor of psychiatry from the United Arab Emirates (UAE), where he led the effort to start one of the first ACGME-I-accredited residency training programs outside the U.S. For the four years, Dr. Ragheb has served as the psychiatry program director and an associate professor of psychiatry at the College of Medicine and Health Sciences of UAE University. Prior to that, Dr. Ragheb spent seven years in Providence, Rhode Island, as a practicing psychiatrist and an assistant clinical professor at the Brown University Alpert Medical School Department of Psychiatry and Human Behavior.

Child and Adolescent Program

Cecilia De Vargas
Cecilia De Vargas, M.D.

Associate Professor, Psychiatry
Program Director, Child and Adolescent Psychiatry Fellowship Program 

Dr. Cecilia De Vargas is an associate professor at Texas Tech University Health Sciences Center, Department of Psychiatry, Division of Child and Adolescent Psychiatry. Currently, Dr De Vargas is the program director of the Child and Adolescent Psychiatry Fellowship and dedicates most of her professional hours to supervision of fellows, residents, and medical students at the inpatient, outpatient, and community rotations. She also participates in the Child Psychiatric Access Network (CPAN), providing consultation to pediatricians and other primary care professionals on assessing, diagnosing, and treating children and adolescents with mental health comorbidities.

Sarah Martin
Sarah Martin, M.D.

Assistant Professor, Psychiatry
Division Director,  Child and Adolescent Psychiatry Fellowship Program
Medical Director of Texas Child Mental Health Care Consortium Texas Tech El Paso

Dr. Sarah Martin is an assistant professor in the Department of Psychiatry. She is the Division Director of Child and Adolescent Psychiatry and supervises residents and fellows in several different rotations. She is also the medical director of Texas Tech El Paso’s area of responsibility in the Texas Child Mental Health Care Consortium, a 16-county region that extends all the way along the border to Eagle Pass. 

Community Faculty

Carla Alvarado
Carla Alvarado, M.D.

Assistant Professor, Psychiatry

Dr. Carla Alvarado has extensive training and experience to the practice of Psychiatry. She trained in Adult Psychiatry at Texas Tech University Health Science Center in El Paso and completed her fellowship in Child & Adolescent Psychiatry at Texas Tech University Health Science Center in El Paso. This included additional specialization in Autism and Autism Spectrum Disorders. Dr. Alvarado is local to El Paso and graduated from the University of Texas at El Paso in 2007. 

Psychology

Melanie Olivas Longhurst
Melanie Olivas Longhurst, Ph.D., M.Ed.

Assistant Professor
Psychology Training Director

Dr. Melanie Longhurst is an Assistant Professor, licensed clinical psychologist, and Psychology Training Director in the Texas Tech University Health Sciences Center El Paso Department of Psychiatry. Dr. Longhurst is also the site training director for the El Paso Psychology Internship Consortium (EPPIC).

Vicki H. Thomas, Ph.D.
Vicki H. Thomas, Ph.D.

Dr. Vicki Thomas is an Instructor and licensed clinical psychologist at the Texas Tech University Health Sciences Center (TTUHSC) El Paso Department of Psychiatry. Dr. Thomas provides services through the TTUHSC El Paso Resident Assistance Program, Student Assistance Program, and the Employee Assistance Program. She also provides direct patient care to patients of the Department of Psychiatry’s outpatient clinic and supervision to psychology interns and other trainees in the Department.

Research

Bharathi Gadad
Bharathi Gadad, Ph.D. 

Assistant Professor, Psychiatry
Co-Director, Southwest Brain Bank

Dr. Bharathi Gadad is an Assistant Professor (ResearchTrack) in the Department of Psychiatry. She is also the CoDirector for the Southwest Brain Bank. Dr. Gadad is involved in teaching research for medical students, residents, and fellows in the Department. Dr. Gadad's primary research focus is on genetic, epigenetic alterations, and cell-signaling in suicidality. Her research lab is involved in understanding the molecular and functional characterization of neurons and other cell types, signaling mechanisms related to suicidality.