Praveen K. Sampath, MD

Sooraj Tejaswi, MD, is a board-certified, experienced gastroenterologist at Ascension Medical Group Seton Gastroenterology in Georgetown, Texas. He diagnoses and treats gastrointestinal (GI) diseases and conditions, including constipation, colon disorders, heartburn and GERD, peptic ulcers, ulcerative colitis, irritable bowel syndrome and hemorrhoids. When needed, Dr. Tejaswi collaborates with other specialists, including surgeons, to provide the comprehensive care you need.

Robert J. Just, MD, is a gastroenterologist at Ascension Seton in Round Rock, TX. Dr. Just has been practicing gastroenterology in the Central Texas area since 1996, and has extensive experience in colon cancer screening.

A native of Ireland, Dr. William Stassen attended medical school at Trinity College at the University of Dublin. He completed his residency training in internal medicine in Ireland followed by his fellowship in gastroenterology at the Cleveland Clinic in Ohio. He has received extensive training both in the United States and in Ireland under the guidance of some of the most esteemed professors of gastroenterology. Dr. Stassen’s special interests are liver and inflammatory bowel diseases, and he has published numerous articles on various aspects of gastroenterology and hepatology. He received the Peter A.J. Adam Award for Excellence in Research in 1984. Dr. Stassen has practiced in the Austin and Round Rock areas since 1985.

A doctor's office located on Wyoming Springs Dr in Round Rock.

Dr. John Ziebert graduated magna cum laude and Phi Beta Kappa from the University of Notre Dame. He earned his medical degree from the University of Wisconsin School of Medicine and completed his internship and residency training in internal medicine at the University of Arizona Health Sciences Center. Dr. Ziebert completed his fellowship training in gastroenterology at the University of Utah Health Center in Salt Lake City. While there, he completed an additional year of advanced training in diagnostic and therapeutic ERCP. Dr. Ziebert has been with Austin Gastroenterology since October 1997.

Dr. Shiv Desai is originally from the DFW area and received his medical training at the Mayo Clinic in Rochester, Minnesota. Intrigued by the opportunity to integrate clinical medicine and procedures, he completed his Gastroenterology and Hepatology fellowship at the University of Pittsburgh. To further gain increased experience in Advanced Therapeutic Endoscopy he completed his Advanced Endoscopy training at UTSW.

A doctor's office located on Wyoming Springs Drive in Round Rock.

Dr. Duddempudi began his exposure into medicine early, coming from a long line of physicians. He completed his undergraduate and medical studies at Tufts University in Boston and UWI. He then completed his internship and residency in Internal Medicine at Rutgers University School of Medicine. Following residency training, Dr. Duddempudi pursued a gastroenterology and hepatology fellowship at New York Presbyterian Hospital – The Brooklyn Hospital Center. During his final year of fellowship he was elected Chief Gastroenterology Fellow by the faculty. Dr. Duddempudi went on to complete interventional endoscopy fellowship at the prestigious Pancreas and Biliary Center of New York at St. Vincent’s Medical Center.He gained expertise in ERCP, EUS,