Gastroenterology Faculty

Michael B. Fallon, M.D.
Director, Division of Gastroenterology, Hepatology and Nutrition
Professor of Medicine
Dan and Lillie Sterling Professor of Gastroenterology
Chief of Service, Gastroenterology and Hepatology, Memorial Hermann Hospital Medical Center
Transplant Hepatologist and Gastroenterologist
Texas Medical Center Clinic Location:
Texas Liver Center
UT Professional Building
6410 Fannin, Suite 370
Houston, TX 77030
Tel: 713.704.6800 or 800.985.4837
Fax: 713.704.6616
Educational History:
M.D. Degree: University of Virginia School of Medicine Charlottesville, Virginia
Internal Medicine residency:
Yale-New Haven Hospital, New Haven, Connecticut
Digestive Disease Fellowship: Yale University School of Medicine, New Haven, Connecticut
Dr. Fallon is a Diplomate of the American Board of Internal Medicine. He is board certified in Internal Medicine, Gastroenterology and Transplant Hepatology.
He is licensed to practice in Texas, Connecticut, and Alabama.
Andrew W. DuPont, M.D., M.S.P.H.

Assistant Professor of Medicine
Director of Clinical Investigation in Gastroenterology
Director of the Inflammatory Bowel Disease Program
Gastroenterologist
Texas Medical Center Clinic Location:
Digestive Disease Center (DDC)
UT Professional Building
6414 Fannin, Suite G 125
Houston, TX 77030
Tel: 713.704.5910
Fax: 713.704.5939
Educational History:
M.D. Degree: The University of Texas Health Science Center at Houston Medical School, Houston, Texas
Internal Medicine Residency: University of Alabama in Birmingham
Gastroenterology Fellowship:University of Alabama in Birmingham
Dr. DuPont is a Diplomate of the American Board of Internal Medicine. He is board certified in Internal Medicine and Gastroenterology.
In addition to authoring several textbook chapters, Dr. DuPont has published studies evaluating cost-effectiveness of treatment strategies for various gastrointestinal disorders. He has research interests in inflammatory bowel disease, enteric infections, and cost-effectiveness analyses. His clinical interests include inflammatory bowel disease, irritable bowel syndrome, and general gastrointestinal disorders.
Marilyn S. Edwards, Ph.D.
Professor of Nutrition
Marilyn S. Edwards, PhD - Professor of Nutrition, Division of Gastroenterology, Hepatology, and Nutrition - UTHHSC; Ph.D. - Human Nutrition - Colorado State University. Board Certification - American Board of Nutrition.
Research Interests: Clinical Nutrition studies; lipid disorders in humans and animal models of human disease; metabolic feeding studies in malnourished patient populations.
Curriculum Vitae
Atilla Ertan, M.D.

Professor
Victor I. Machicao, M.D.
Assistant Professor of Medicine
Medical Director of Liver Transplantation
Transplant Hepatologist and Gastroenterologist
Texas Medical Center Clinic Location:
Texas Liver Center
UT Professional Building
6410 Fannin, Suite 370
Houston, TX 77030
Tel: 713.704.6800 or 800.985.4837
Fax: 713.704.6616
Curriculum Vitae
Educational History:
M.D. Degree: Cayetano Heredia Peruvian University School of Medicine, Lima Peru
Internal Medicine Residency: Cleveland Clinic Foundation, Cleveland, OH
Gastroenterology Fellowship: Mayo Clinic, Jacksonville, FL
Hepatology and Liver Transplantation: Mayo Clinic, Jacksonville, FL
Dr. Machicao is a Diplomate of the American Board of Internal Medicine. He is board certified in Internal Medicine, Gastroenterology and Transplant Hepatology.
Jen-Jung Pan, MD, PhD

Assistant Professor of Medicine
Transplant Hepatologist and Gastroenterologist
Texas Medical Center Clinic Location:
Texas Liver Center
UT Professional Building
6410 Fannin, Suite 370
Houston, TX 77030
Tel: 713.704.6800 or 800.985.4837
Fax: 713.704.6616
Curriculum Vitae
Educational History:
M.D. Degree: National Yang-Ming Medical College Taipei, Taiwan
Ph.D. Degree: Doctor of Philosophy in Pathology
Roswell park Graduate Division State University of New York at Buffalo Buffalo, NY
Internal Medicine Residency: Department of Internal Medicine State University of New York at Buffalo
Buffalo, New York
Gastroenterology Fellowship:Division of Gastroenterology, Hepatology and Nutrition
Department of Medicine University of Florida, Gainesville, FL
Hepatology and Liver Transplantation: Advanced Fellowship in Transplant Hepatology
Dr. Pan is a Diplomate of the American Board of Internal Medicine. He is board certified in Internal Medicine, Gastroenterology and Transplant Hepatology.
Larry D. Scott, M.D., M.A.
Professor of Medicine
Chief, Gastroenterology Services, LBJ General Hospital
Gastroenterologist
LBJ General Hospital - Clinic Location:
LBJ General Hospital - Medicine Clinic
5656 Kelley
Houston, TX 77026
Texas Medical Center Clinic Location:
Digestive Disease Center (DDC)
UT Professional Building
6414 Fannin, Suite G 125
Houston, TX 77030
Tel: 713.704.5910
Fax: 713.704.5939
Curriculum Vitae
Educational History:
M.D. Degree: Vanderbilt University, Nashville, TN
M.A.: (Bioethics) Case Western Reserve University, Cleveland, OH
Internal Medicine Residency: Vanderbilt University, Nashville, TN
Gastroenterology Fellowship: University of Iowa, Iowa City, IA
Dr. Scott is a Diplomate of the American Board of Internal Medicine. He is board certified in Internal Medicine and Gastroenterology.
Matthew P. Spinn, M.D.

Assistant Professor of Medicine
David S. Wolf, M.D.

Assistant Professor of Medicine
Director of Gastroenterology Out-Patient Clinical Program
Associate Program Director - Gastroenterology Fellowship
Gastroenterologist
Texas Medical Center Clinic Location:
Digestive Disease Center (DDC)
UT Professional Building
6414 Fannin, Suite G 125
Houston, TX 77030
Tel: 713.704.5910
Fax: 713.704.5939
Bellaire Community Clinic Location:
UT Health Center
6700 West Loop South,
Suite 500
Bellaire, Texas 77401
Tel: 713.572.8122
Fax: 713.572.0753
Educational History:
M.D. Degree: The University of Texas Health Science Center at Houston Medical School, Houston, Texas
Internal Medicine Residency: The University of Texas Health Science Center at Houston Medical School, Houston, Texas - Chief Resident 2005-2006
Gastroenterology Fellowship: Medical Degree from The University of Texas Health Science Center at Houston Medical School, Houston, Texas - Chief Clinical Fellow: 2008-2009
Dr. Wolf is a Diplomate of the American Board of Internal Medicine. He is board certified in Internal Medicine and Gastroenterology.
Junlan Zhang, MD, PhD

Assistant Professor of Medicine - Research
Dr. Zhang’s research focuses on mechanisms of pulmonary vascular abnormalities in experimental HPS induced by biliary cirrhosis. She is particularly interested in vascular endothelial cell, intravascular monocyte and their interaction in HPS. The ongoing project involves exploring the role of gaseous vasodilators (nitric oxide, carbon monoxide and hydrogen sulfide) in intrapulmonary vasodilatation, and the contribution of monocyte in lung vascular endothelial cell proliferation/angiogenesis in experimental HPS.
Curriculum Vitae
Educational History:
M.D. Degree: Hebei Medical College, Shijiazhuang, P.R. China
M.S. : Hebei Medical College, Shijiazhuang, P.R. China
Ph.D.: Hebei Medical College, Basic Institute of Medical Sciences, Shijiazhuang, P.R. China
Katherine Jelinek, M.D.

Assistant Professor of Medicine
Gastroenterologist
Texas Medical Center Clinic Location:
6431 Fannin St., MSB 4.234
Houston, Texas 77030
713.500.6677
Ertan Center of Excellence
Memorial Hermann Medical Plaza
6400 Fannin St., 14th Floor
Houston, Texas 77030
713.704.3450
LBJ General Hospital- Medicine Clinic
5656 Kelley St.
Houston, TX 77026
713.566.5895
Curriculum Vitae
Educational History:
M.D. Degree: University of Texas Southwestern Medical Center, Dallas, TX
Internal Medicine Residency: University of Illinois at Chicago Medical Center, Chicago, IL
Gastroenterology Fellowship: University of Illinois at Chicago Medical Center, Chicago, IL
Dr. Jelinek is a Diplomate of the American Board of Internal Medicine. She is board certified in Internal Medicine and Gastroenterology.
Dr. Jelinek's interests include Inflammatory Bowel Disease, post-bariatric surgery patients and Women's Health.


