Digestive and Liver Diseases Faculty

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Advanced Practice Providers | Volunteer Faculty

Division Chief

Dr. Ezra Burstein

Ezra Burstein, M.D., Ph.D.
Professor
Internal Medicine and Molecular Biology
Division Chief, Digestive and Liver Diseases
Program Director, T-32 Fellowship Program
Research Lab


Division Faculty

A

Dr. Ariel Aday

Ariel Aday, M.D.
Assistant Professor
Associate Program Director, Gastroenterology Fellowship Program


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B

Dr. Divya Bhatt

Divya Bhatt, M.D.
Assistant Professor


Dr. Moheb Boktor

Moheb Boktor, M.D.
Associate Professor


Dr. Jeffrey D. Browning

Jeffrey D. Browning, M.D.
Professor
School of Health Professions and Internal Medicine
Chairman, Department of Clinical Nutrition, School of Allied Health


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C

Dr. Lisa Casey

Lisa Casey, M.D.
Associate Professor


photo of Dr. Thomas Cotter

Thomas G. Cotter, M.B.B.Ch.
Assistant Professor



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D

Dr. Kerry Dunbar

Kerry Dunbar, M.D., Ph.D.
Professor
Associate Program Director, Residency Program
Section Chief, Dallas VA Medical Center


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E

Dr. Daniel Ellis

Daniel Ellis, M.D.
Assistant Instructor


Dr. Benjamin Elsbernd

Benjamin L. Elsbernd, M.D.
Assistant Professor
Dallas VA Medical Center


Dr. Luke Engelking

Luke Engelking, M.D., Ph.D.
Associate Professor
Internal Medicine, Center for Human Nutrition, and  Molecular Genetics
Research Lab


Dr. Ngozi Enwerem

Ngozi Enwerem, M.B.B.S.
Assistant Professor
Dallas VA Medical Center


Dr. Magdalena Espinoza

Magdalena Espinoza, M.D.
Assistant Professor


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F

Dr. Greg Fitz

J. Gregory Fitz, M.D.
Professor
Office of the President and Internal Medicine
Special Assistant to the President


Dr. David Fudman

David Fudman, M.D.
Assistant Professor
Quality Officer-Internal Medicine


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G

Dr. Sravanya Gavini

Sravanya Gavini, M.D.
Associate Professor
Director, Motility


Dr. Markus Goldschmeidt

Markus Goldschmiedt, M.D.
Assistant Professor


Dr. Lafaine Grant

Lafaine Grant, M.D.
Associate Professor


Dr. Linsheng Guo

Linsheng Guo, M.D.
Assistant Professor
Dallas VA Medical Center


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H


Dr. Jay Horton

Jay Horton, M.D.
Professor
Center for Human Nutrition, Internal Medicine, and Molecular Genetics
Director, Center for Human Nutrition


Dr. Yujin Hoshida

Yujin Hoshida, M.D., Ph.D.
Professor
Director, Translational Research of the HCC Program
Research Lab


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I

Dr. Rodney Infante

Rodney Infante, M.D., Ph.D.
Assistant Professor
Center for Human Nutrition and Department of Internal Medicine
Research Lab


Dr. Gerald Isbell

Gerald M. Isbell, III, M.D.
Assistant Professor


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K

Dr. Thomas A. Kerr

Thomas A. Kerr, M.D., Ph.D.
Associate Professor



Dr. Maddie Kubiliun

Maddie Kubiliun, M.D.
Assistant Professor


Dr. Nisa Kubiliun

Nisa Kubiliun, M.D.
Associate Professor
Clinical Chief, Digestive & Liver Diseases
Medical Director, Endoscopy Services at University Hospitals
Medical Co-Director, Simmons Comprehensive Cancer Center Genetic Counseling Program


Dr. Vincent Kuo

Vincent C. Kuo, M.D.
Assistant Professor


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L


Dr. Maria R. Lepe-Suastegui

Maria Lepe-Suastegui, M.D.
Assistant Professor


Dr. Xi Li

Xi Li, Ph.D.
Instructor


Dr. Sarah Lieber

Sarah Lieber, M.D.
Assistant Professor


Dr. Shuzhen Liu

Shuzhen Liu, Ph.D.
Instructor


Dr. Amy Lo

Amy Lo, M.D.
Assistant Professor
Associate Medical Director of Endoscopy Medical Services at CUH


Dr. Jeremy Louissaint, M.D.

Jeremy Louissaint, M.D.
Assistant Professor


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M

Dr. Ravikanth Maddipati

Ravikanth Maddipati, M.D.
Assistant Professor
Internal Medicine and Children’s Medical Center Research Institute
Research Lab


Dr. Willis Maddrey

Willis C. Maddrey, M.D.
Professor Emeritus
Assistant to the President


Dr. Marlyn Mayo

Marlyn Mayo, M.D.
Professor


Dr. Christian Mayorga

Christian Mayorga, M.D.
Associate Professor
Associate Clinical Chief, Digestive and Liver Diseases
Senior Medical Director, Medical Specialty Services at Parkland Health & Hospital System
Medical Director, Endoscopy Laboratory at Parkland Health & Hospital System


Dr. Khurram Mazhar

Khurram Mazhar, M.D.
Assistant Professor
Clinic Medical Director, Dallas VA Medical Center


Dr. Mack Mitchell

Mack Mitchell, M.D.
Professor
Clinical Affairs and Internal Medicine
Vice-President for Medical Affairs at UT Southwestern


Dr. Rozina Mithani

Rozina Mithani, M.D.
Associate Professor


Dr. Arjumand Mufti

Arjmand Mufti, M.D.
Associate Professor
Program Director, Gastroenterology Fellowship Program
Medical Director, Living-Related Transplant Program


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N

Dr. Ayaz Najafov

Ayaz Najafov, Ph.D.
Assistant Professor
Medical Director, Children’s Research Institute


Dr. Diane Nguyen

Diane Nguyen, M.D.
Assistant Professor


Dr. Josephine Ni

Josephine Ni, M.D.
Assistant Professor
Internal Medicine and Microbiology


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O

photo of Dr. John Okwara

Chinemerem "John" Okwara, M.D.
Assistant Professor


Dr. Jacqueline O'Leary

Jacqueline O'Leary, M.D.
Associate Professor
Director of Hepatology, Dallas VA Medical Center


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P

Dr. Neha Patel

Neha Patel, M.D.
Assistant Professor


Dr. Suraj Patel

Suraj Patel, M.D.
Assistant Professor
Research Lab


Dr. Mark Pedersen

Mark Pedersen, M.D.
Assistant Professor
Director of the Medical Student GI Course 


Dr. Daniel K. Podolsky

Daniel K. Podolsky, M.D.
Professor
Office of the President and Internal Medicine
President, UT Southwestern Medical Center


Dr. Venuprasad Poojary

Venuprasad Poojary, Ph.D.
Associate Professor
Internal Medicine and Immunology
Research Lab


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R

Dr. Rekha Reddy

Rekha Reddy, M.D.
Assistant Professor


Dr. Hans-Christian Reinecker

Hans-Christian Reinecker, M.D.
Associate Professor
Internal Medicine, Center for Genetics of Host Defense, and Immunology
Research Lab


Dr. Nicole Rich

Nicole Rich, M.D.
Assistant Professor
Associate Director, Clinical Research


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S

Dr. Tarak Sawas

Tarek Sawas, M.D.
Assistant Professor


Dr. Shawn Shah

Shawn Shah, M.D.
Assistant Professor
Dallas VA Medical Center


Dr. Tahir Shaikh

Tahir Shaikh, M.D.
Assistant Instructor


Dr. Amit Singal

Amit Singal, M.D.
Professor, Internal Medicine and Population and Data Sciences
Associate Division Chief, Digestive and Liver Diseases
Chief, Hepatology
Medical Director, PHHS Heptocellular Carcinoma
CCSG Program Leader (Population Sciences and Cancer Control)


Dr. Amika Singla

Amika Singla, Ph.D.
Instructor


Dr. Ioana Smith

Ioana Smith, M.D.
Clinical Assistant Professor
Clinical Center at Park Cities


Dr. Greta Szabo

Greta Szabo, M.D.
Assistant Professor


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T

Dr. Anna Tabakkoli

Anna Tavakkoli, M.D.
Assistant Professor
Internal Medicine and Population and Data Sciences


Dr. Dwain Thiele

Dwain L. Thiele, M.D.
Professor
Office of the President and Internal Medicine
Vice Provost and Senior Associate Dean for Faculty Affairs and Initiatives


Dr. Maria Tian

Chenlu "Maria" Tian, M.D.
Assistant Professor


Dr. Thomas Tielleman

Thomas Tielleman, M.D.
Assistant Professor


Dr. Shannan Tujios

Shannan Tujios, M.D.
Associate Professor
Program Director, Transplant Hepatology Fellowship Program


Dr. Emre Turer

Emre Turer, M.D., Ph.D.
Assistant Professor
Center for Genetics of Host Defense, Immunology, and Internal Medicine
Research Lab


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V

Dr. Dutch Vanderveldt

Hendrikus (Dutch) S. Vanderveldt, M.D.
Assistant Professor
Program Director, Advanced Endoscopy Fellowship Program
Medical Director, GI services at Texas Health Frisco


Dr. Lisa VanWagner

Lisa VanWagner, M.D.
Associate Professor
Director, Clinical Research


Dr. Roopa Vemulapalli

Roopa Vemulapalli, M.D.
Associate Professor
Medical Director, Digestive Diseases Clinic


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W

Dr. Howard J. Weiner

Howard J. Weiner, M.D.
Assistant Professor


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Y

Dr. Jinhai Yu

Jinhai Yu, Ph.D.
Assistant Professor
Center for Human Nutrition and Internal Medicine


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Z

Dr. Shijia Zhu

Shijia Zhu, Ph.D.
Assistant Professor


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Advanced Practice Providers


no photo of Ashley Butler

Ashley Butler, M.P.A.S., PA-C








no photo of Christopher Romine

Christopher Romine, M.P.A.S., PA-C



Volunteer Teaching Faculty

Amit P. Desai, M.D.
Adjunct Instructor

Son Do, M.D.
Adjunct Assistant Professor

Mark Feldman, M.D.
Adjunct Professor

Rajeev Jain, M.D.
Adjunct Associate Professor

Robert Perrillo, M.D.
Adjunct Professor

Kimberly Persley, M.D.
Adjunct Assistant Professor

Ruben Ramirez-Vegas, M.D.
Adjunct Instructor

Don Rockey, M.D.
Adjunct Professor

Kai Xia, M.D.
Adjunct Associate Professor