Nathaniel Ng portrait picture
Nathaniel Ng, M.D., FACS

Chief of Surgical Specialties
Assistant Professor

Colorectal and General Surgery

Nathaniel Ng, M.D., is an assistant professor in the Department of Surgery. He earned his medical degree from the University of Texas Medical Branch at Galveston.

Erica Alvarez M.D.
Erica Renee Alvarez-Gonzalez, M.D.

Assistant Professor

Erica Renee Alvarez, M.D., is an assistant professor in the Department of Surgery. She earned her M.D. from TTUHSC El Paso's own Paul L. Foster School of Medicine. Her speciality is ophthalmology with subspecialty training in medical retina and ocular oncology.

Ioannis Konstantinidis
Ioannis Konstantinidis, M.D.

Assistant Professor
Complex Surgical Oncology and General Surgery

Ioannis Konstantinidis, M.D., was born and raised in Greece. He graduated from the Aristotle University of Thessaloniki Medical School.

Eyas Alkhalili
Eyas Z. Alkhalili, M.D.

Assistant Professor
Endocrine/Thyroid Surgery and General Surgery

Dr. Alkhalili (Pronounced al-ka-li-li) is an assistant professor of surgery at Texas Tech University Health Sciences Center El Paso and Transmountain Hospital. He graduated from medical school at the University of Jordan in Amman, Jordan.

Shintaro Chiba
Shintaro Chiba, M.D.

Assistant Professor 
General Surgery
Minimally Invasive and Bariatric Surgery

Dr. Chiba is an assistant professor in the Department of Surgery.