Dr. Tarek Sawas

Lisa Vanwagner is an Internal Medicine specialist and a Gastroenterologist in Dallas, Texas. Dr. Vanwagner is rated as a Distinguished provider by MediFind in Liver Transplant. Her top areas of expertise are Non-Alcoholic Fatty Liver Disease, Nonalcoholic Steatohepatitis (NASH), Liver Failure, Liver Transplant, and Kidney Transplant.

Sumeet Asrani, MD, MSc is the Chief of Hepatology and Liver Transplantation at the Baylor Simmons Transplant Institute in Dallas. He has served as the Medical Director of the Center for Advanced Liver Disease since 2016. He provides clinical care at Baylor University Medical Center (BUMC) and Baylor Scott and White Medical Center – Waxahachie. Recently, Dr. Asrani has restructured the research enterprise of the Simmons Transplant Institute and has been instrumental in elevating the name of the Institute and Baylor Scott & White as a recognized presence in the national and international academic world. Dr. Asrani received his medical degree from Baylor College of Medicine in Houston. He did his internship and residency at Washington University School of Medicine in St. Louis, MO. He went on to complete fellowships in gastroenterology, hepatology and transplant hepatology at the Mayo Clinic in Rochester, Minnesota before joining the transplant hepatology team at Baylor University Medical Center in 2013. Dr. Asrani has published 140 peer review publications, 300 abstracts and given over 125 national and international presentations. In addition, he has mentored more than 30 trainees to help advance their medical careers. Dr. Asrani previously served as an associate editor for the American Journal of Transplantation (AJT) and as an associate editor for Liver Transplantation (LT). He is actively involved in national and international collaborations to improve care for patients with liver disease. Dr. Asrani specializes in the management of patients with end-stage liver disease, liver transplantation candidates and recipients. His other clinical interests include liver cancer, viral hepatitis, autoimmune hepatitis, primary sclerosing cholangitis and alcohol associated liver disease. His research interests focus on early identification of patients with cirrhosis, improving quality of patients with liver disease especially in the rural setting, improving kidney function in patients with liver disease and organ allocation. In his free time, Dr, Asrani enjoys various fitness endeavors, playing the drums, and traveling with his wife and four children. Dr. Asrani was recognized by D Magazine as a Best Doctor for 2023, 2024 and 2025. Dr. Asrani is rated as an Elite provider by MediFind in Liver Transplant. His top areas of expertise are Liver Failure, Ascites, Hepatitis, Liver Transplant, and Endoscopy.

Amit Singal is a Gastroenterologist in Dallas, Texas. Dr. Singal is rated as an Elite provider by MediFind in Liver Transplant. His top areas of expertise are Liver Cancer, Cirrhosis, Hepatitis C, Liver Transplant, and Colonoscopy.