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University Medical Center is once again bringing a higher level of care to the El Paso community and surrounding region. The Center for Diagnostic and Advanced Endoscopy has invested in state-of-the-art technology, recruited skilled nurses and partnered with board-certified physician experts to create the region’s most advanced gastroenterology facility in El Paso.

The experience of our highly skilled team is unmatched in the region and has quickly become a regional referral center for gastroenterologists across West Texas and Southern New Mexico.

Advanced Care

In addition to traditional procedures such as endoscopies and colonoscopies, the Center for Diagnostic and Advanced Endoscopy features advanced care available at UMC. These advanced procedures allow the specialized team to quickly and accurately diagnose and treat digestive illnesses such as Barrett’s Esophagus, Gastroesophageal Reflux Disease (GERD), Crohn’s Disease, gallstones and ulcers.

New procedures done exclusively at the Digestive Health Center:

  • Esophageal Ablation Therapy using HALO
  • Endoscopic Ultrasound (EUS)
    • Using Fine Needle Aspiration
    • Guided cancer staging in the gastrointestinal tract
    • Assisted Biliary Intervention
  • Celiac Plexus, Neurolysis and Block
  • Pancreatic Pseudocyst Drainage
  • Single-Balloon Enteroscopy

Service Locations

Clinic Leadership


Cesar Garcia, MD

Cesar Garcia, MD

Dr. Cesar Garcia, MD, is a gastroenterologist at University Medical Center Of El Paso Center and is a founding member for the Diagnostic and Advanced Endoscopy Center. He received his Bachelor of Science degree from Universidad de Carabobo in Valencia, Venezuela and graduated from Medical School at the Texas Tech University Health Sciences Center of El Paso which is also where he completed his residency and fellowship training.

Carmela Morales, MD

Carmela Morales, MD
Gastroenterologist

Carmela Morales, MD, is a gastroenterologist in private practice in El Paso and a founding member of UMC’s Center for Diagnostic and Advanced Endoscopy. She received her Bachelor of Science degree cum laude from Texas A&M University and graduated from Medical School at the University of Texas Southwestern in Dallas, which is also where she completed her residency and fellowship training. Dr. Morales is a past Chief of Staff at University Medical Center and currently serves on the Board of the UMC Foundation.

Dr. Morales is the sweetest of Dr's. She was very attentive to me while undergoing my routine procedures, being that I am somewhat of a nervous person. She went above and beyond and found a serious problem of which I had no symptoms for. I owe her for saving my life basically. She is a great Dr. in my book!
Gloria H - Sep 13, 2016
Dr Morales is very consistent in her attention to her patients, no matter how long its been between my appointments with her. Great bedside manners and discloses all the information I need, plus more.
Sandy - Apr 20, 2016
Very very good doctor, very professional very patient
- Mar 9, 2019

Marc Zuckerman, MD

Marc Zuckerman, MD
Chief of the Division of Gastroenterology

Marc Zuckerman, MD, is Chief of the Division of Gastroenterology and Hepatology and a Professor of Medicine at Texas Tech University Health Sciences Center El Paso, Paul L. Foster School of Medicine. Additionally, he is the Director of the Fellowship Program in Gastroenterology and Hepatology.  Dr. Zuckerman is a graduate of Tufts University School of Medicine in Boston, completed his residency in internal medicine at Baystate Medical Center (Tufts) and did his fellowship training in gastroenterology and hepatology at Albert Einstein College of Medicine in New York. His clinical interests include liver disease, gastrointestinal bleeding, small bowel endoscopy, colon cancer screening, and gastroesophageal reflux disease.

Sherif Elhanafi, MD

Sherif Elhanafi, MD

Dr. Sherif Elhanafi, MD, is a Gastroenterology Specialist in El Paso, TX and the associate program director of the gastroenterology fellowship program at Texas Tech University Health Sciences Center Paul L. Foster School of Medicine. He graduated from Mansoura University Medical School and did his Residency at Texas Tech University Health Sciences Center El Paso. He completed his fellowship in gastroenterology and hepatology at the University of Pennsylvania in Philadelphia and  a subspecialty fellowship in advanced and interventional endoscopy at the Mayo Clinic in Scottsdale, Arizona. Dr. Elhanafi specializes in gastrointestinal cancers,  Pancreas and Biliary Diseases and has extensive experience with Endoscopic Ultrasound (EUS), ERCP and Cholangioscopy, Barrett's esophagus treatment, luminal stenting as well as general gastrointestinal endoscopy.

Ihsan Al-Bayati, MD

Ihsan Al-Bayati, MD

Ihsan Al-Bayati, MD is an Assistant Professor of Medicine at Texas Tech University Health Sciences Center El Paso, Paul L. Foster School of Medicine. Dr. Al-Bayati is a graduate of Al Nahrain University, School of Medicine, in Iraq. He completed his residency in internal medicine at Texas Tech University Health Sciences Center El Paso where he also served as Chief Medical Resident. He went on to do his fellowship training in gastroenterology and hepatology as well at Texas Tech University Health Sciences Center El Paso. He is passionate about serving the community of El Paso. He is interested in colon cancer prevention and management, small bowel disease and small bowel endoscopy, and liver disease.

Richard McCallum, MD

Richard McCallum, MD
Director of Gastrointestinal Motility

Richard McCallum, MD, is a Professor of Medicine in the Division of Gastroenterology at the Texas Tech University Health Sciences Center Paul L. Foster School of Medicine and the Director of Gastrointestinal Motility at University Medical Center of El Paso. He received his Medical Degree from the University of Queensland Medical School in Australia and completed his residency in Internal Medicine at Washington University and Barnes Hospital. His fellowship training in gastroenterology was completed at the University of California and Wadsworth Veterans Hospital.