Andrew W. DuPont, MD, MSPH
Program Director

Educational History:
M.D. Degree: McGovern Medical School at UTHealth, 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.

Reena V. Chokshi, MD
Associate Program Director

Educational History:
M.D. Degree: University of Texas Health Science Center at San Antonio
Internal Medicine Residency: Hospital of the University of Pennsylvania
Gastroenterology Fellowship: Washington University in St. Louis

Dr. Chokshi is board certified in both Internal Medicine and Gastroenterology. Her clinical interests are primarily in GI Motility, including GERD, constipation, and esophageal and anorectal dysmotility. She has authored publications on digestive disease in women, constipation and fecal incontinence, and colorectal cancer screening. Her interest in education ranges from medical school to fellowship, with efforts focused on curriculum, mentoring, and wellness.

Moises I. Nevah R., MD
Associate Program Director

Educational History:
M.D. Degree: University of Panama Medical School, Panama, Panama
Internal Medicine Residency: St Luke’s – Roosevelt Hospital / Columbia University. New York, NY
Gastroenterology Fellowship: UTHealth McGovern Medical School. Houston, TX
Advanced and Transplant Hepatology:  University of California San Francisco. San Francisco, CA

Dr. Nevah is board certified in Internal Medicine, Gastroenterology and Transplant Hepatology. His clinical interest includes viral hepatitis, autoimmune liver disease, cirrhosis and complications of portal hypertension. He has authored multiple textbook chapters and published both in hepatology and gastroenterology. Throughout his career, Dr. Nevah has made teaching and education an essential part of his practice.

Nirav, Thosani, MD
Advanced Endoscopy Program Director

Educational History:
M.D. Degree: Municipal Medical College, Ahmedabad, India
Internal Medicine Residency: McGovern Medical School, UTHealth, Houston, Texas
Gastroenterology Fellowship: McGovern Medical School, UTHealth, Houston, Texas
Advanced Endoscopy Fellowship: Stanford University, Palo Alto, California

Dr. Thosani is a Diplomat of the American Board of Internal Medicine. He is board certified in Internal Medicine and Gastroenterology. Dr. Thosani has been involved in multiple technology reports and standards of practice guidelines for the American Society of Gastrointestinal Endoscopy. In addition to authoring several textbook chapters, Dr. Thosani has published multiple studies evaluating safety and efficacy of advanced endoscopic technologies in diagnosis and treatment strategies for various gastrointestinal disorders. He has research interests in elastography and ablation for pancreatic neoplasms, endoscopic antireflux procedures, and radiation exposure in gastrointestinal endoscopies. His clinical interests include GERD, pancreaticobiliary diseases and gastrointestinal oncology.

Kimberly A. Bibbs
Fellowship Program Coordinator
Kimberly Bibbs

McGovern Medical School
6431 Fannin, MSB 4.232
Houston, TX 77030
Phone (713) 500-6631
Fax (713) 500-6699