Richard W. McCallum
Texas Tech University Health Sciences Center
Richard W. McCallum, MD, FACP, FRACP (Aust), FACG, is Professor of Medicine in the Division of Gastroenterology of Texas Tech University Health Sciences Center at El Paso. Dr. McCallum is the Medical Director of the Diagnostic Center for GI Motility and Functional Bowel Disorders, a referral center for patients locally, regionally, and nationally.
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