Tarek Sawas is an Internal Medicine specialist and a Gastroenterologist in Dallas, Texas. Dr. Sawas is highly rated in 35 conditions, according to our data. His top areas of expertise are Barrett Esophagus, Cholangitis, Hereditary Pancreatitis, Endoscopy, and Gastric Bypass.

Lisa Vanwagner is an Internal Medicine specialist and a Gastroenterologist in Dallas, Texas. Dr. Vanwagner is highly rated in 13 conditions, according to our data. Her top areas of expertise are Non-Alcoholic Fatty Liver Disease, Nonalcoholic Steatohepatitis (NASH), Liver Failure, Liver Transplant, and Kidney Transplant.

Prashant Kedia is a Gastroenterologist in Dallas, Texas. Dr. Kedia is highly rated in 53 conditions, according to our data. His top areas of expertise are Hereditary Pancreatitis, Achalasia, Acute Pancreatitis, Endoscopy, and Gastric Bypass.

Moheb Boktor is an Internal Medicine specialist and a Gastroenterologist in Dallas, Texas. Dr. Boktor is highly rated in 29 conditions, according to our data. His top areas of expertise are Crohn's Disease, Viral Gastroenteritis, Colitis, Gastrectomy, and Endoscopy.

Anna Tavakkoli, M.D., M.Sc., is an Associate Professor of Internal Medicine in the Division of Digestive and Liver Diseases and Director of Bariatric Endoscopy at UT Southwestern Medical Center. She also holds a dual appointment in the Department of Population and Data Sciences at UT Southwestern.Originally from Lansing, Michigan, Dr. Tavakkoli earned her medical degree at the University of Florida in Gainesville. She then earned a master's degree in health and healthcare delivery at the University of Michigan. She completed internal medicine residency training at Columbia University. She then completed advanced training through fellowships in gastroenterology and advanced endoscopy at the University of Michigan.Certified by the American Board of Internal Medicine in gastroenterology, Dr. Tavakkoli joined the UT Southwestern faculty in 2018.Dr. Tavakkoli’s clinical interests include benign and malignant pancreaticobiliary diseases, endoscopic suturing, and endoscopic bariatric therapies. Her clinical expertise includes endoscopic retrograde cholangiopancreatography (ERCP), endoscopic ultrasound (EUS), endoscopic sleeve gastroplasty (ESG), transoral outlet reduction (TORe) for weight regain after Roux-en-Y gastric bypass surgery, and revisional endoscopic sleeve gastroplasty after sleeve gastrectomy.Dr. Tavakkoli is also active in clinical research with a focus on disparities in gastrointestinal malignancies, quality improvement of ERCP, and outcomes after ESG and TORe.She is a member of multiple professional organizations, including the American College of Gastroenterology and the American Society for Gastrointestinal Endoscopy, where she also serves as a committee member. In addition, she is an ad-hoc reviewer for Gastrointestinal Endoscopy, Clinical Gastroenterology and Hepatology, Gastroenterology, and VideoGIE. Dr. Tavakkoli is highly rated in 18 conditions, according to our data. Her top areas of expertise are Bile Duct Stricture, Barrett Esophagus, Cholestasis, Endoscopy, and Gastric Bypass.

William Lee is a Gastroenterologist in Dallas, Texas. Dr. Lee is highly rated in 11 conditions, according to our data. His top areas of expertise are Liver Failure, Hepatitis, Jaundice, Hepatitis C, and Liver Transplant.

Rhonda Souza is an Internal Medicine specialist and a Gastroenterologist in Dallas, Texas. Dr. Souza is highly rated in 8 conditions, according to our data. Her top areas of expertise are Barrett Esophagus, Gastroesophageal Reflux Disease (GERD), Esophagitis, Eosinophilic Esophagitis, and Endoscopy.

Paul Tarnasky is a Gastroenterologist in Dallas, Texas. Dr. Tarnasky is highly rated in 42 conditions, according to our data. His top areas of expertise are Hereditary Pancreatitis, Acute Pancreatitis, Pancreas Divisum, Endoscopy, and Gastric Bypass.

James Burdick is an Internal Medicine specialist and a Gastroenterologist in Irving, Texas. Dr. Burdick is highly rated in 41 conditions, according to our data. His top areas of expertise are Esophageal Perforation, Angiodysplasia of the Colon, Chronic Pancreatitis, Endoscopy, and Pancreatectomy.

Shannan Tujios is a Gastroenterologist in Dallas, Texas. Dr. Tujios is highly rated in 25 conditions, according to our data. Her top areas of expertise are Liver Failure, Hepatitis, Visceromegaly, Liver Transplant, and Endoscopy.

Marlyn Mayo is a Gastroenterologist in Dallas, Texas. Dr. Mayo is highly rated in 23 conditions, according to our data. Her top areas of expertise are Primary Biliary Cholangitis, Cholangitis, Cirrhosis, Autoimmune Hepatitis, and Liver Transplant.

Parvez Mantry is a Hepatologist and a Gastroenterologist in Dallas, Texas. Dr. Mantry is highly rated in 22 conditions, according to our data. His top areas of expertise are Nonalcoholic Steatohepatitis (NASH), Liver Failure, Hepatitis, Liver Transplant, and Endoscopy.

Amit Singal is a Gastroenterologist in Dallas, Texas. Dr. Singal is highly rated in 20 conditions, according to our data. His top areas of expertise are Liver Cancer, Cirrhosis, Hepatitis C, Liver Transplant, and Colonoscopy.

Nicole Rich is a Gastroenterologist in Dallas, Texas. Dr. Rich is highly rated in 10 conditions, according to our data. Her top areas of expertise are Liver Cancer, Fibrolamellar Carcinoma, Hepatitis, Liver Transplant, and Hepatectomy.

Lawrence Schiller is a Gastroenterologist in Dallas, Texas. Dr. Schiller is highly rated in 4 conditions, according to our data. His top areas of expertise are Bile Acid Malabsorption, Diarrhea, Small Bowel Bacterial Overgrowth, Irritable Bowel Syndrome (IBS), and Ileostomy.

Abrar Ahmed is an Internal Medicine specialist and a Gastroenterologist in Dallas, Texas. Dr. Ahmed is highly rated in 44 conditions, according to our data. His top areas of expertise are Heartburn, Colitis, Gas Bloat Syndrome, Gastrectomy, and Endoscopy.

James Hakert is an Internal Medicine specialist and a Gastroenterologist in Dallas, Texas. Dr. Hakert is highly rated in 35 conditions, according to our data. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Gas Bloat Syndrome, Portal Hypertension, Gastrectomy, and Endoscopy.

Kimberly Persley is a Gastroenterologist in Dallas, Texas. Dr. Persley is highly rated in 24 conditions, according to our data. Her top areas of expertise are Ulcerative Colitis, Crohn's Disease, Colonic Malakoplakia, Endoscopy, and Gastrectomy.

Nisa Kubiliun is an Internal Medicine specialist and a Gastroenterologist in Dallas, Texas. Dr. Kubiliun is highly rated in 23 conditions, according to our data. Her top areas of expertise are Pancreatic Cancer, Bile Duct Stricture, Familial Pancreatic Cancer, Endoscopy, and Pancreatectomy.

Dr. Cash is a board-certified gastroenterologist and served for 24 years in the United States Navy, retiring at the rank of Navy Captain in 2013. He has authored over 250 articles and book chapters on a wide variety of gastrointestinal topics and his clinical interests include disorders of gut-brain interaction, acid-peptic disorders, gastrointestinal bleeding, gut immunology and motility disturbances, and colorectal cancer screening alternatives. Dr. Cash recently joined Baylor Scott & White and is medical director of the Functional Bowel Center at Baylor University Medical Center, creating an integrated care model for patients with functional and motility related GI disorders. Dr. Cash is a baseball and college football fan. He enjoys hiking, traveling, and spending time with friends and family. Dr. Cash is highly rated in 19 conditions, according to our data. His top areas of expertise are Irritable Bowel Syndrome (IBS), Barrett Esophagus, Diarrhea, Endoscopy, and Colonoscopy.

Thomas Tielleman is an Internal Medicine specialist and a Gastroenterologist in Dallas, Texas. Dr. Tielleman is highly rated in 13 conditions, according to our data. His top areas of expertise are Bile Duct Obstruction, Bile Duct Stricture, Cholangitis, Endoscopy, and Gastrectomy.

Howard Weiner is an Internal Medicine specialist and a Gastroenterologist in Dallas, Texas. Dr. Weiner is highly rated in 9 conditions, according to our data. His top areas of expertise are Achalasia, Swallowing Difficulty, Painful Swallowing, and Lymphocytic Colitis.

Dr. Sreenarasimhaiah completed medical school at the University of Missouri - Kansas City. Following this, he completed an Internal Medicine residency and a fellowship in Gastroenterology at Washington University - St. Louis.After that, he moved to Dallas and served for many years as a professor of Medicine and Gastroenterology at UT Southwestern Medical Center. In this role, he helped train many gastroenterologists, published several clinical research studies and performed advanced endoscopic procedures.Dr. Sreenarasimhaiah has a special interest in diseases of the pancreas and biliary tract, as well as minimally invasive complex endoscopic procedures. Dr. Sreenarasimhaiah is highly rated in 57 conditions, according to our data. His top areas of expertise are Choledocholithiasis, Bile Duct Obstruction, Hiatal Hernia, Endoscopy, and Colonoscopy.

Luke Engelking is an Internal Medicine specialist and a Gastroenterologist in Dallas, Texas. Dr. Engelking is highly rated in 6 conditions, according to our data. His top areas of expertise are DICER1 Syndrome, Esophageal Varices, Gardner Syndrome, Gastrectomy, and Endoscopy.

Armond Schwartz is a Gastroenterologist in Dallas, Texas. Dr. Schwartz is highly rated in 49 conditions, according to our data. His top areas of expertise are Angiodysplasia of the Colon, Intestinal Cancer, Esophagitis, Gastrectomy, and Endoscopy.