David Muron
David Muron, M.D., RPh, FAAOS

Chief of Surgical Specialties

Assistant Professor 
Orthopaedic Surgery

Dr. Muron is an assistant professor in the Department of Surgery. He graduated from medical school at the Medical College of Virginia of Virginia Commonwealth University. 

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

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.

James H. Nelson, M.D.
James H. Nelson, M.D.

Assistant Professor
Orthopaedic Surgery

James Nelson, M.D., earned his M.D. from the Creighton University School of Medicine in Omaha, Nebraska. He was awarded the Army Meritorious Service Medal for his nine years of exemplary active duty military service. 

Patricia Nelson portrait picture
Patricia Nelson, M.D., FACS

Assistant Professor

Patricia Nelson, M.D., FACS, earned her M.D. from the Penn State College of Medicine with a U.S. Army Health Professions Scholarship.

Erica Alvarez M.D.
Erica Renee Alvarez, M.D.


Erica Renee Alvarez, M.D., is an instructor 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.