Acting Section Chief: Gastroenterology and Hepatology

Fasiha Kanwal, M.D., MSHS

Professor and Interim Chief

Phone

  • (713) 794-8614

Process and outcomes of care in patients with chronic liver diseases; Quality management in liver disease; Medical decision-making…

Faculty A-I: Gastroenterology and Hepatology

Wasif M. Abidi, M.D., Ph.D.

Assistant Professor

Phone

  • (713) 798-0946

Endoscopic Weight Loss Procedures (Intragastric Balloons, Sleeve Gastroplasty, Aspiration, etc); Endoscopic Revision of Roux-en-Y Gastric Bypass…

Suneal Kumar Agarwal, M.D.

Assistant Professor

Phone

  • (713) 798-0946

General Gastroenterology; Celiac and Non-Celiac Gluten Sensitivity; Colorectal Cancer Screening & Colonoscopy; Endoscopic Ultrasound…

Sharmila Anandasabapathy, M.D.

Professor

Phone

  • (713) 798-8105

Barrett's Esophagus; Esophageal Cancer; Gastric Cancer…

Lubin Fernando Arevalo Santana, M.D.

Assistant Professor

Phone

  • (713) 798-4289

Esophageal motility disorders & Swallowing disorders (dysphagia); Barrett's Esophagus; Eosinophilic Esophagitis…

Maya Balakrishnan, M.D.

Assistant Professor

Phone

  • (713) 873-3503

Fatty Liver Disease; Metabolic Syndrome; General Hepatology; General Gastroenterology

Andrea Bradford, Ph.D.

Assistant Professor

Phone

  • (713) 798-6130

Bowel disorders; Cancer survivorship; Sexual disorders (women); Coping with medical conditions; Women's health…

Johanna L. Chan, M.D.

Assistant Professor

Phone

  • (713) 798-0946

General gastroenterology; Screening and surveillance of gastrointestinal cancers; Women's health; Irritable bowel syndrome…

Rhonda A Cole, M.D.

Associate Professor

Pancreaticobiliary disorders; Management of GI bleeding; Colorectal cancer screening; Innovations in ERCP publications

Hashem B. El-Serag, M.D., M.P.H.

Professor

Barrett's esophagus; Dyspepsia and gastroesophageal reflux disease; Viral hepatitis; Chronic liver disease; Hepatocellular carcinoma…

Mary K. Estes, Ph.D.

Distinguished Service Professor

Phone

  • (713) 798-3585

Human mini-gut cultures to understand gastrointestinal virus-host interactions and mechanisms of pathogenesis and immunity

David Y Graham, M.D., M.A.C.G.

Professor

Phone

  • (713) 798-0971

Interaction of infectious agents and the gastrointestinal tract; Gastrointestinal effects of non-steroidal anti-inflammatory drugs (NSAIDs)…

Clark Hair, M.D.

Assistant Professor

Phone

  • (713) 794-7274

Interventional Endoscopy - ERCP, Endoscopic Ultrasound w/FNA, Endoscopic Mucosal Resection, Enteral Stenting; Endoscopic management of GI malignancies…

Ruben Hernaez, M.D., M.P.H., Ph.D.

Assistant Professor

Epidemiology and biostatistics; Nonalcoholic fatty liver disease; Systematic reviews and meta-analyses; Acute-on-chronic liver failure…

Loan Ho

Instructor/Np

Screening and surveillance of colorectal cancer; Viral Hepatitis

F. Blaine Hollinger, M.D.

Professor

Phone

  • (713) 798-4454

Viral hepatitis and liver disease; Blood-borne pathogens

Jason Ken Hou, M.D., M.S., F.A.C.G.

Assistant Professor

Phone

  • (713) 798-0946

Inflammatory bowel disease: Crohn's disease, ulcerative colitis; Microscopic colitis; Celiac disease; Chronic diarrhea; Colonoscopy

Nisreen Husain

Assistant Professor

Esophageal Motility Disorders; Gastroesophageal Reflux Disorders; General Gastroenterology; Colorectal Cancer Screening

Khozema Bakir Hussain, M.D.

Assistant Professor of Surgery

Phone

  • (713) 794-7274

Chronic Viral Hepatitis (HBV & HCV); Cirrhosis and its complications; Hepatocellular carcinoma…

Faculty J-R: Gastroenterology and Hepatology

Prasun Kumar Jalal, M.D.

Assistant Professor of Surgery

Phone

  • (832) 355-1400

Transplant Hepatology; Gastroenterology; Liver disease; Hepatitis; Liver cancer

Maria Ellionore Jarbrink-Sehgal

Assistant Professor

Phone

  • (713) 794-7400

Diverticular Disease; Gastrointestinal Microbiome; Functional Dyspepsia…

Li Jiao, M.D., M.S., PhD

Associate Professor

Phone

  • (713) 440-4456

Epidemiology and outcomes of gastrointestinal cancers; Molecular epidemiology; Genetic epidemiology; Dietary intake; Obesity; Biomarkers…

Manreet Kaur, M.D.

Assistant Professor

Inflammatory bowel disease (IBD): Crohn’s disease, Ulcerative colitis; Women's health; Young adults with inflammatory bowel disease…

Gyanprakash Avinash Ketwaroo

Assistant Professor

Phone

  • (713) 794-7400

Interventional Endoscopy - ERCP, Endoscopic Ultrasound w/FNA, Endoscopic Mucosal Resection, Enteral Stenting; Endoscopic management of GI malignancies…

Saira Aijaz Khaderi, M.D., M.P.H.

Assistant Professor of Surgery

Phone

  • (832) 355-1400

Yan Liu

Instructor/Sr.Biostatistician

Instructor/Sr.Biostatistician

Hoda M Malaty, M.D., M.P.H., Ph.D., F.A.C.G.

Associate Professor

GERD and dyspepsia in children; Psychometric analysis and instrument design; Helicobacter pylori research

Nabil Mansour, M.D.

Assistant Professor

Phone

  • (713) 798-0950

Barrett's Esophagus - Radiofrequency Ablation (RFA), cryotherapy, endoscopic mucosal resection (EMR), advanced endoscopic imaging.…

Ayse Leyla Mindikoglu, M.D., M.P.H.

Associate Professor of Surgery and Medicine

Phone

  • (832) 355-1400

Cirrhosis and complications (Ascites, esophageal/gastric varices, gastric antral vascular ectasia, portal hypertensive gastropathy, encephalopathy, hepatocellular carcinoma, hepatorenal syndrome, portopulmonary syndrome, hepatopulmonary syndrome)…

Yamini Natarajan, M.D.

Assistant Professor

Phone

  • (713) 798-8493

Non Alcoholic Fatty Liver Disease; General Hepatology; General Gastroenterology; Epidemiology

Antone Robert Opekun, P.A.-C.

Associate Professor

Phone

  • (713) 798-7542

Enteric pathogens; Mucosal enzymology; Medical education…

Temitope Osinaiya, DHSc, MS, RD, LDN

Sr. Reg Dietitian

Phone

  • (713) 798-0946

Mohamed O. Othman, M.D.

Associate Professor of Medicine/Director of Advanced Endoscopy

Phone

  • (713) 798-0947

Endoscopic Submucosal Dissection; Endoscopic Mucosal Resection; Barrett's Esophagus Surveillance and Ablation; Chronic Pancreatitis…

Stephen C. Pappas, MD, JD, FCLM, FAASLD

Associate Professor

Phone

  • (713) 873-3503

Drug development in liver disease; Acute on chronic liver failure, hepatorenal syndrome; Clinical trial methodology and regulatory compliance…

Kalpesh Patel, M.D.

Assistant Professor

Phone

  • (713) 798-0946

Interventional Endoscopy - ERCP, Endoscopic Ultrasound w/FNA; Endoscopic Mucosal Resection; Enteral Stenting; EUS guided drainage procedures…

Waqar Ahmad Qureshi, M.D.,F.A.C.P., F.A.C.G., F.R.C.P

Professor

Phone

  • (713) 798-0946

Interventional endoscopy including ERCP, endoscopic mucosal resection and capsule endoscopy…

Faculty S-Z: Gastroenterology and Hepatology

Jim T Schwartz, M.D.

Associate Professor

Phone

  • (713) 798-0946

Inflammatory bowel disease; Irritable bowel syndrome; Functional bowel disorders

Robert Jay Sealock

Assistant Professor of Medicine

Phone

  • (713) 873-3503

Advanced Endoscopy - ERCP, Endoscopic Ultrasound with FNA; Endoscopic Mucosal Resection; Luminal Stenting; EUS guided drainage procedures…

Rajesh Rasik Shah

Assistant Professor

Phone

  • (713) 794-7400

Inflammatory bowel diseases; Colorectal cancer; Microscopic colitis; Human Microbiome

Noah Freeman Shroyer, Ph.D.

Associate Professor

Phone

  • (713) 798-8693

Mechanisms that control intestinal development and homeostasis; Human Enteroids

Richa Shukla

Assistant Professor

Phone

  • (713) 873-3503

Inflammatory bowel disease (Crohn's disease and ulcerative colitis); Women's Health

Gagan K Sood, M.D.

Associate Professor of Surgery

Phone

  • (832) 355-1400

Transplant Hepatology; Cirrhosis; Ascites; Hepatic encephalopathy; Portal hypertension; Liver Cancer; Hepatitis B and C; Hemochromatosis…

Rise Stribling, M.D.

Associate Professor of Surgery

Phone

  • (832) 355-1400

Transplant Hepatology; Pre- and post-transplant care; Liver cancer; Hepatitis C; Abdominal paracentesis; Fulminant liver failure…

Milena Gould Suarez, M.D.

Associate Professor

Phone

  • (713) 873-3503

Esophageal motility disorders; Acid-peptic disorders; Colorectal cancer screening

Norman Leslie Sussman, M.D.

Associate Professor of Surgery

Phone

  • (832) 355-1400

Transplant Hepatology; Cirrhosis; Hepatitis; Liver disease; Liver cancer; Artificial liver support

Aaron Peter Thrift, Ph.D.

Assistant Professor

Phone

  • (713) 798-9107

Barrett’s esophagus; Esophageal adenocarcinoma; Epidemiology and outcomes of digestive disorders; Genetic epidemiology; Risk prediction…

John Moore Vierling, M.D., F.A.C.P.

Professor of Medicine and Surgery

Phone

  • (832) 355-1400

Cheryl Walker

Director

Phone

  • (713) 798-8219

Julie Weatherly, RN,MSN, ANP-C

Instructor/Np

Phone

  • (713) 798-0946

Inflammatory bowel disease (IBD): Crohn’s disease, Ulcerative colitis; Advanced Endoscopy (ERCP, EUS); Screening and surveillance for GI cancers

Donna L White, Ph.D., M.P.H.

Assistant Professor

Phone

  • (713) 794-8601

Genetic epidemiology of chronic liver disease; Sex hormones and risk of cirrhosis and cancer; Meta-Analysis and Systematic Reviews

Yoshio Yamaoka, M.D., Ph.D.

Professor

Phone

  • (713) 794-7597

Helicobacter pylori-related gastroduodenal diseases; Virulence factors of helicobacter pylori; Immunology of gastroduodenal diseases; Gastric cancer…

Adjunct Faculty

Boris Yoffe, M.D.

Professor

Phone

  • (713) 794-7546

Pathogenesis of virus-induced hepatitis; Viral hepatitis and pathogenesis of liver diseases; Translational research in liver disease…