In 1990, he completed his internal medicine residency training at St. Vincent Hospital
in Worcester, Massachusetts, and served as chief medical resident in the same institution until 1991.
Dr. Mazloum then completed a fellowship training in gastroenterology from 1991-1995
at The University of Texas Health Science Center at San Antonio and has been in practice since 1995.
Dr. Mazloum is a member of The American College of Gastroenterology, The American Association
for the Study of Liver Disease, and The American Society for Gastrointestinal Endoscopy.